An increase in the hemoglobin concentration of the red blood cells would increase the rate of oxygen diffusing from lung alveoli into the blood.
The capillaries (small blood vessels) lining the alveolar walls allow oxygen to diffuse from the alveoli to the blood throughout this process.
Hemoglobin in red blood cells absorbs oxygen as it enters the bloodstream.
Then, as the blood returns to the heart, the heart sends the oxygen-rich blood through the arteries to the body's tissues.
The alveoli are where blood is infused with oxygen (air sacs).
Small blood arteries called capillaries are located quite close to the alveoli.
Oxygen and carbon dioxide travel along the concentration gradient due to the alveolar and capillary walls' extreme thinness.
This motion is referred to as diffusion and an increase in the hemoglobin concentration of the red blood cells would increase the rate of oxygen diffusing from lung alveoli into the blood.
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As plasma co2 levels increase, the o2-hb dissociation curve shifts to the ________ indicating a _________ o2 affinity. group of answer choices
As Plasma CO₂ levels increase, the O₂ Hb Dissociation curve shifts to the Right indicating a Decrease in O₂ affinity.
According to the Oxygen- Dissociation curve, the graph shifts to the right which indicates that the CO₂ level in the plasma has increased which leads to O₂ dissociation i.e. decrease in Oxygen affinity. Some other factors that affect O₂ dissociation cure are as follows:
High temperatureHigh CO₂Low O₂High H+ concentrationAccording to the Oxygen- Association curve, the graph shifts to the left which indicates that the CO₂ level in the plasma has decreased which leads to O₂ association. Some other factors that affect O₂ association cure are as follows:
Low temperatureLow CO₂High O₂Low H+ concentrationThese are called as Bohr's Shift Curves for Oxygen.
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How should the nozzle tip of an air-polishing device be positioned for anterior teeth?
The hand-piece tip should be positioned at 80 degree angle to the buccal or oral surface and 90 degree angle to the occlusion surface of the posterior teeth.Tip should be held 3-4 mm from the surface.o
Air polishing involves the use of compressed air, water and glycerin power to disrupt oral biofilm and remove stain from tooth surfaces. Air polishing is essential t avoid trauma to oral soft tissues.
The surface of tooth which is called enamel is strong enough to withstand repeated tooth polishing , it avoid newly erupted teeth exposed root surface and area of decriminalized. If polishing does occur on these surface, fluid therapy can minimize the risk of dental case.
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Which respiratory system characteristics are shared by fish, frogs, sponges, and earthworms?
The respiratory system characteristics shared by fish, frogs, sponges, and earthworms are gas exchange across a moist respiratory surface.
Which organisms respire through their moist respiratory surface?
The moist respiratory surface of earthworms and amphibians like frogs is used for breathing. They belong to a class of land-dwelling creatures with skin that is permeable to gases. Earthworms, sponges, fish, and frogs may breathe through their permeable skin, which must be kept moist.
Earthworms reside underground in the wet soil, whereas amphibians are creatures that live in or near water. The skin of animals that can breathe through their skin is moist, and the capillaries, which are tiny blood veins, are located near the skin's surface. These little blood arteries supply oxygen to the body's numerous tissues and carbon dioxide to the epidermis.
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According to ovid's metamorphoses, when althaea has to choose between protecting her son and avenging her brothers, which does she choose?
In Ovid's Metamorphoses, Althaea chose to avenge her brother's death by killing her own son.
Ovid's Metamorphoses is a great poem that portrays stories about love and argues that how love causes great pain.
Meleager is a warrior who escaped the death blow. His going to Atlanta made his uncles Plexippus and Toxeus angry. So, he killed them.
Althaea Meleager's mother was outraged by the death of her brothers. She already knew that as long as a certain log is not consumed by fire, Meleager will live. so, Althaea decides to throw the log into the fire and ultimately kill her own son.
According to Ovid, Althaea loves both her son, Meleager, and her slain brothers. However, love for her brothers and the familiar thirst for revenge leads her to kill Meleager.
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• In your own words, discuss the role of each of the following structures in the whole process: cell membrane, vesicles (at two points in the process), ribosomes, Golgi apparatus, and endoplasmic reticulum
Answer:
1:to allow movement of small molecules in and out of cell
2
What is most likely to happen to an abandoned strip mine over time? a. the strip mine is likely to completely recover over time. b. the strip mine is likely to remain exactly as it is left when abandoned. c. the strip is likely to partly recover, but never return to its original state. d. the strip mine is likely to become a lake. please select the best answer from the choices provided a b c d
The strip is likely to partly recover, but never return to it's original state
The site can be partly recovered but cannot return to the original state in strip mining.
What do you mean by Mining ?The abandoned strip mining is a mining practice a seam of mineral is removed by the long strip of the overlying soil and rock.
This process is used for the mining purpose of the coal.After the mining procedure the soil will loose its fertility because only the parent rock will be left at the bottom and organic matter will be lost.As a result the soil will become loose and soil erosion will take place.Learn more about Mining here:
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The ""duck and tilapia system’ and the pig deep litter system both ""recycle inputs"". what does it mean to recycle inputs? how do these systems address sustainability?
Recycle input that means the recycling process is converted to new raw material , which can be used as an input into another manufacturing process.
The more we cycle the less garbage winds up in our landfills and incineration plants.Duck and tilapia system raising ducks over fishponds fits very well with the fish poly-culture system , and the ducks are highly compatible with the cultivated fish.
According to the S.D tripathi and B.K sharma- "raising ducks over fishponds fits very well with the fish poly-culture system as the ducks are highly compatible with cultivated fishes." There are some example of farming system such as Arable farming, mixed farming, subsistence farming, etc.
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The tissue that makes up the spinal cord and brain consists of Multiple Choice neurons only. platelets and neuroglia. platelets only. neurons and platelets. neurons and neuroglia.
The brain and spinal cord are composed of neurons and neuroglia.
The central nervous system consists of the brain and spinal cord which is made of nervous tissue.
The nervous tissue comprises neuron and neuroglia cells. Neurons are cells that can transmit signals through action potential. There are three types of the neuronal present in the CNS. They are sensory neurons, motor neurons and interneurons.
The neuroglial cells are the supporting cells which possess many specialized functions to support, protect and nourish neurons.
There are six types of neuroglia cells present in the CNS. They are astrocytes, microglial cells, ependymal cells, oligodendrocytes, satellite cells and schwann cells.
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An example of sliding a joint is…
A Elbow joint
B Neck joint
C Knee Joint
D Wrist joint
An example of sliding joint is Wrist joint. Therefore, option (D) is correct.
Wrist joint is an example. The wrist joint allows sliding or gliding actions because the wrist bones move smoothly. Sliding improves hand dexterity, making it easier to do tasks like keyboard typing and managing tiny objects.
The radius, ulna, and hand carpals form the wrist joint, a complex articulation. The wrist joint's fluid gliding movement aids the hand's flexibility and nimbleness, making it important for many ordinary activities. Therefore, option (D) an example of sliding joint is Wrist joint.
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A main outcome of ivan pavlov’s research is that a neutral stimulus can become a conditioned stimulus?
A main outcome of Pavlov’s research is that a neutral stimulus can become a conditioned stimulus only in the presence of an unconditioned stimulus that triggers an unlearned response.
What is Pavlov’s conditioning?
The classic conditioning -Pavlov conditioning- is an associative learning way. It is a behavior in which stimuli and responses are associated.
In Pavlov's conditioning, an unconditioned stimulus that usually induces a given response is associated with another conditioned stimulus -neutral- that does not provoke any response by itself.
Let us review a few concepts,
Unconditioned stimuli: Biologically significant stimuli that provoke an unlearned or reflex reaction. For example, food is an unconditioned stimulus.Conditioned stimuli: neutral, innocuous, or biologically not significant stimuli. Unconditioned Responses: Unlearned response that is triggered by reflex because of an unconditioned stimulus. An example is salivating.Conditioned Responses: These are provoked by conditioned stimuli. This refers to a learned response that reflects the association between conditioned and unconditioned stimuli.Initially, an unconditioned stimulus does not provoke any response, but after enough exposure to conditioned and unconditioned stimuli together, the simple presence of unconditioned stimuli induces conditioned responses. In this aspect, the subject has learned to predict or anticipate the unconditioned stimulus.
The classic example is the one in which a dog increases its salivation secretion as an unconditioned response when it sees food -the unconditioned stimulus-.
If the unconditionated stimulus is associated with the sound of a ring bell or a light -conditioned stimulus-, after a certain time, the dog will secrete saliva when hearing the ring bell soung or seeing the light.
If the conditioned stimulus is associated with a bad experience, there is an aversion response or conditioned fear.
The main outcome of Ivan Pavlov’s research is that a neutral stimulus can become a conditioned stimulus? Yes, but only in the presence of another unconditioned stimulus (food) that triggers an unlearned response (salivation).
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What kind of antibody does a baby receive from its mother’s colostrums (first milk)?
a. igd
b. iga
c. igm
d. igb
e. igg
iga and igg antibody present in Colostrum, the first breast milk.
Primary immunoglobulin in human milk is IgA .Immunoglobulin A (IgA) is an antibody blood protein that's part of your immune system. Your body makes IgA and other type of antibodies to help fight off sickness. Antibodies like IgG antibodies in breast milk help shape infants' gut bacteria and immunity. Researchers have known for some time that maternal breast milk provides critical nutrients for newborns, and antibodies from mothers vaccinated against a specific disease-causing bacterium or virus can be transferred via breast milk to babies. These antibodies provided infants with high grade of protection from infection for approximately 3 to 6 months, giving their own immune systems time to mature.
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Which of the four friends has a blood pressure reading that would be considered hypertension?
The blood pressure readings taken from Drew and Steven both qualify as hypertension.
What does "normal blood pressure" mean?
Most persons are considered to have normal blood pressure when their systolic and diastolic pressures are less than 120 and 80 respectively (i.e.,120/80). When the diastolic pressure is less than 80 and the systolic pressure is between 120 and 129, the blood pressure is considered to be elevated.
Description of hypertension:
Our artery walls are pushed under strain when blood flows through them. The term for this is blood pressure. When our blood moves, we have high blood pressure, commonly known as hypertension. High blood pressure, also known as hypertension, is a frequent illness where the blood's long-term push on our arterial wall is so great that it could eventually result in health issues including heart disease.
Therefore, from the above discussion, it is concluded that options A & B are the correct choices.
The original question is:
Which of the four friends has a blood pressure reading that would be considered pre-hypertension? Drew's reading is 122/88 mm Hg, Steven's reading is 132/89 mm Hg, Jen's reading is 110/70 mm Hg, and Lina's reading is 100/60 mm Hg.
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Kendra is studying the energy pyramid shown. Which statement is supported by the energy pyramid?
A) The ecosystem can support fewer foxes than grasshoppers.
What is energy pyramid?An energy pyramid is also called ecological pyramid. It is a graphical representation of the energy that are found within the trophic levels of an ecosystem. The largest level of the pyramid is the producers that is present at the bottom and the shortest level is present on the top of the pyramid which is tertiary consumer that have very low in population. This make the structure like a pyramid. We know that the size of the fox is bigger than grasshopper so more energy is needed by the fox which causes fewer foxes can survive in the ecosystem.
So we can conclude that the ecosystem can support fewer foxes than grasshoppers.
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In our bodies, glucose is broken down into carbon dioxide and water, much like a combustion reaction. How many grams of o2 are needed to fully react with 150g glucose?
160g of O₂ will be required to fully react with 150g of glucose when glucose is broken down in our bodies to produce carbon dioxide and water.
The breakdown of glucose in our bodies can be represented by the following reaction:
C₆H₁₂O₆(s) + 6O₂(g) → 6CO₂(g) + 6H₂O(g)
As shown in the reaction, a mole of glucose reacts with 6 moles of oxygen.
To calculate the molecular mass:
1 mole of glucose (C₆H₁₂O₆) = (6x12) + (12x1) + (6x16) = 180g
6 moles of oxygen= 6x (2x16) = 192g
180g of glucose reacts with 192g of oxygen. So, to calculate the amount of oxygen required to fully react with 150g of glucose=
150 x 192/180 = 160g of oxygen.
Therefore, 160g of oxygen is required to fully react with 150g of glucose.
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The disruption of a joint in which the bone ends are no longer in contact is called a?
The disruption of a joint in which the bone ends are no longer in contact is called a Dislocation.
What is dislocation of bone?When two bones separate where they meet at a joint, it is called a dislocation. The joint may be momentarily deformed and immobilized, and the injury may be excruciatingly painful. Shoulders and fingers are the most frequent sites for dislocations, although they can also happen in the elbows, knees, and hips. The cause is frequently a fall or blow, occasionally while participating in a contact sport. A bone slipping out of a joint is known as a dislocation. For instance, the shoulder is home to a joint where the top of your arm bone fits. You have a dislocated shoulder when it jumps out of that joint or slips out of it. Any joint in your body, whether your knee, hip, ankle, or shoulder, is susceptible to dislocation.
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What molecule(s) could diffuse across the plasma membrane? disaccharides fe2 tryptophan amino acid ch4
Methane CH4 molecule can diffuse across the plasma membrane . So the correct answer is CH4.
Passive diffusion is a nonselective mechanism that allows any molecule that can dissolve in the phospholipid bilayer to traverse the plasma membrane and establish equilibrium between the inside and outside of the cell. It's crucial to note that only tiny, mostly hydrophobic compounds can diffuse significantly through a phospholipid bilayer.
Gases (like O2 and CO2), hydrophobic substances (like benzene), and tiny polar but uncharged substances (like H2O and ethanol) can all diffuse across the plasma membrane as a result. However, some biological molecules cannot dissolve in the phospholipid bilayer's hydrophobic interior.
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What is the group of nutrients that build, repair, and maintain body cells? gavs
Protein is a group of nutrient nutrient used to make and repair our body cells.
The primary structural element of cells, protein, is in charge of maintaining and repairing bodily tissues. Amino acids, which serve as the basis for protein synthesis, are formed from protein.The primary structural element of cells, protein, is in charge of maintaining and repairing bodily tissues. Amino acids, which serve as the basis for protein synthesis, are formed from protein. Proteins do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs.After working out, eating protein provides your muscles with the amino acids they need to recover and renew.learn more about Protein here: https://brainly.com/question/10058019
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In mri, structural information about the brain can be collected by using strong magnetic fields together with radio waves to manipulate the nuclear _______________ of protons.
none of the answers in this list of options fills the blank. Strong magnetic fields created by the powerful magnets used in MRIs compel the body's protons to align with the field.
The protons are activated and spin out of equilibrium when a radiofrequency current is then pulsed through the patient, struggling against the magnetic field's pull.Because protons can spin either left or right, which corresponds to a distinct energy state, they have multiple spin configurations. Higher energy states are experienced by protons that align against the external magnetic field as opposed to lower energy states experienced by protons that do so.The hydrogen protons will align themselves once more with the static magnetic field once the energy from the RF pulse is lost. Hydrogen protons serve as the source of the MRI signal since they move back into alignment with the magnetic field, and fall out of "phase" with each other.DISCLAIMER
In MRI, structural information about the brain can be collected by using strong magnetic fields together with radio waves to manipulate the nuclear _______________ of protons.
electron
mass
none of the answers in this list of options
charge
number
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The axial skeleton contains ________. 1. skull 2. scapula 3. true and false ribs 4. vertebrae 5. phalanges
The axial skeleton contains the skull, true and false ribs, and vertebrae. Option 1 and 4.
What is axial skeleton?The axial skeleton is a portion of the skeleton that consists of the bones of the head, the neck, the chest, and the back.
It is in contrast to the appendicular skeleton which consists of the bones of the upper and lower extreme of the body, including the bones of the shoulder and the pelvis.
The axial skeleton consists of 80 bones altogether, including the bones of the ears and the vertebral column.
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A species of bird on the mainland can have yellow (bb), blue (bb), or green (bb) plumage. a few yellow birds land on a ship and are carried past an island, which they land on and settle. the resulting population of birds would have an allele frequency of: a. b: 1 b: 0 b. b: 0.3 b: 0.7 c. b: 0 b: 1 d. b: 0.5 b: 0.5
Birds living in this population would have an allele frequency of "b."
If the blue species of birds have homozygous dominant alleles of BB, the green species of birds have heterozygous alleles of Bb, and the yellow species of birds have homozygous recessive alleles of bb, then b is the "recessive allele" and b is the dominant allele for blue.
NOTE:The term "recessive allele" refers to the character/allele that is eclipsed by the dominant character, whereas a "dominant allele" is a character/allele whose phenotype is displayed to the complete exclusion of the other character/allele.
When a pair of alleles in a gene are homozygous, they are the same; when they are heterozygous, they are different.
Given that the yellow birds are homozygous for "b," the population of birds that results when they (only) arrive and settle on the Island will also be homozygous for "b." As a result, every bird on the island will have the gene "bb".
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What is a geostrophic wind? Why would you not expect to observe a geostrophic wind at the equator?
A theoretical wind known as the geostrophic wind is produced when the Coriolis effect, as well as the pressure difference forces, are balanced (PGF). It is a decent estimate for the wind reported at middle latitudes at an altitude of greater than 1 km. Given that there is no Coriolis effect near the equator, there can be no geostrophic wind.
What does "geostrophic wind" mean?
Geostrophic flow, as used in atmospheric research, is the fictitious wind that would emerge from a precise balancing act between the Coriolis effect and the pressure difference forces. The term "geostrophic equilibrium" or "geostrophic balance" refers to this situation (also known as geostrophy). Parallel to the isobars is where the geostrophic wind is pointed. In nature, this equilibrium seldom occurs perfectly. Because of these factors, the genuine wind and geostrophic wind nearly never match up.
The location of geostrophic winds:
At elevations exceeding 1000 meters (3300 feet), geostrophic wind can be found. With the use of weather balloons, the geostrophic wind velocity may be calculated. At heights up to 100 meters, the ground surface has a significant impact on winds.
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Classify invertebrates in this table with all the correct information.
The invertebrates from the table above is correctly classified below:
Invertebrates Phylum
Anemones Cnidaria
Butterfly Arthropoda
Clam Mollusca
Coral Cnidaria
Crab Arthropoda
Earthworm Annelida
Grasshoppers Arthropoda
Hydra Cnidaria
Jellyfish Cnidaria
Lobster Arthropoda
Mussel Mollusca
Nematode Nematoda
Octopus Mollusca
Planaria Platyhelminthes
Scorpion Arthropoda
Grasshoppers are invertebrates which belong to the phylum Arthropoda
Classification of grasshopper:
Phylum: Arthropoda
Sub-phylum: Hexapoda
Class: Insecta
Body symmetry: Bilateral symmetry
Characteristics: Below are some of the characteristics of grasshopper
They have three body regionsThey posses three pairs of legsThey have one pair antennaeTracheal system is presentWhat are invertebrates?Invertebrates are animals without backbone.
Below are some invertebrate phyla:
PoriferaCnidaria or coelentrataAnnelidaNematodaEchinodermataMolluscaArthropodaLearn more about invertebrates:
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The part of the eye that prevent light from reflecting internally and is heavily vascularized to deliver blood to the retina:_______
The part of the eye that prevent light from reflecting internally and is heavily vascularized to deliver blood to the retina: choroid.
What is choroid?The choroid is highly vascularized to provide blood to the retina and contains dark pigmentation to stop light from reflecting inside. Anteriorly, the choroid, ciliary body, and iris are all joined.. The ciliary body muscles regulate the lens's thickness. The iris acts as a diaphragm, changing the pupil's aperture at its center. This regulates how much light is allowed to enter the retina. In strong light, the iris' muscle fibers constrict the pupil to accommodate close vision; in low light, they enlarge it to accommodate far vision. Each individual's iris is a different color.
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The placenta is formed by endometrial tissue of the uterine lining and the ________
The placenta is formed by endometrial tissue of the uterine lining and the chorion, which is a membrane that surrounds the embryo and helps to form the placenta.
What is the placenta?The placenta is an organ that develops during pregnancy and connects the developing fetus to the uterine wall to allow for nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.
The placenta also produces hormones that are important for pregnancy, such as human chorionic gonadotropin (hCG) and progesterone. It acts as a barrier, preventing the mother's immune system from attacking the developing fetus. The placenta is usually expelled from the mother's body after the baby is born.
Thus, the placenta is formed by endometrial tissue of the uterine lining and the chorion.
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The _______ button automatically merges the selected cells and then centers the data from the first cell across the entire merged area. quick analysis merge & center center mini toolba
Merge & Center
To combine two or more separate cells, Excel includes a special button named "Merge & Center."
What is Merge and Center in Excel ?Excel Merge and Center - When using the merge cell function in database programming, multiple neighbouring cells can be combined into a single, larger cell.
By selecting "Merge Cells" and selecting "All Cells," the operation is complete. Centering the text signifies that it is possible to do so.When merging two or more cells, select the desired cells and simultaneously press the following keys: ALT + M + H.Learn more about Merge and Center here:
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Location e is located at the tropic of cancer, while location f is at the equator. which location is likely to be warmer at the start of the summer in june?
option(c)Location E, because Earth's axis is tilted towards the sun is the right answer.
When location e is located at the tropic of cancer, while location f is at the equator, Location E, because Earth's axis is tilted towards the sun is likely to be warmer at the start of the summer in June.
Because Earth's axis is tilted towards the sun, place E is expected to be warmer during the beginning of summer in June.
What is Earth?The only present astronomical object to have life on it would be the Earth because its optimum distance of planet to the sun.
What is sun?Even the planets would rotate around the sun, which would be at the center of the earth. Experts claim that the sun is simply a mass of hot plasma with a spherical appearance.The sun warmed the northern hemisphere of the planet. Summer in the northern hemisphere is characterized by extended daylight hours, the sun rising straight overhead, and even more direct sunrays hitting the earth. The north pole is constantly illuminated.Therefore, the correct answer will be option (C).
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The choice of system used to transport nutrients is based primarily on whether the nutrients are:________
The choice of system used to transport nutrients is based primarily on whether the nutrients are: FAT OR WATER SOLUBLE.
Depending on how soluble they are, nutrients can be categorized. Most dissolve in water because they are water-soluble. The fat-soluble vitamins, on the other hand, behave like oil and do not dissolve in water.Because they are soluble in organic solvents and are absorbed and transported similarly to fats, vitamins A, D, E, and K are referred to as fat-soluble vitamins.The B vitamins — folate, thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B6, and vitamin B12 — and vitamin C are the nine water-soluble vitamins. A clinical illness caused by a deficiency in one of these water-soluble vitamins has the potential to cause serious morbidity and mortality.learn more about nutrients here: https://brainly.com/question/8070307
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Jill takes her children to play in the park every afternoon. she notices that since the city changed their landscaping service, the pond in the center of the park is now covered with algae. what is the most probable cause?
Excessive application of fertilizer
The reason for the pond in the center of the park to now be covered with algae is the excessive application of fertilizer.
A plant can really die from too much fertilizer, and excess fertilizer can cause toxic algal blooms in lakes and streams that are dangerous to people and their pets as well as other aquatic life. Aquatic "dead zones" are also a result of excessive fertilizer runoff from agricultural and lawn applications in coastal areas.What consequences might excessive fertilizer use have?By increasing the soil's salt concentration, excessive fertilizer changes the soil and might harm beneficial soil microbes. Over-fertilization can result in abrupt plant growth with insufficient roots to provide the plant with enough water and nutrients.Can plants bounce back after excessive fertilizing?A few straightforward procedures can save the majority of over fertilized plants. Remove any fertilizer that is readily visible from the soil and plant, and let water pass through the roots to leach the fertilizer away. After that, take out any damaged foliage and give your plant another meal after about a month.
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Select the correct answer. how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? a. the value of q is negative b. the value of q is positive c. the value of q remains constant d. the value of q decreases e. the value of q equals zero
The correct option is, (B) the value of q is positive.
What is photosynthesis?It is a chemical process or reaction that occurs in green plants or living creatures. During this process, carbon dioxide combines with water in the presence of sunshine to produce glucose and oxygen.As we all know, photosynthesis cannot occur in the absence of sunshine. As a result, the photosynthesis reaction is an endothermic reaction in which energy or heat is supplied to the system. This implies that the value of 'q' will be positive. If the system produces heat, the value of 'q' is negative.To learn more about photosynthesis from the given link
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In sexual reproduction, exactly what egg cell matures and what sperm cell fertilizes the egg is:_________
Answer:
acrosome
Explanation:
not sure but yeaaaaa i think its right tho
