Answer:
....I think you should give us the scenarios first so that we can help you.
1)
A molecule has been isolated from a cell. The molecule is found to be in a ring shape made up of carbon, hydrogen,
and oxygen atoms in a 1.2.1 ratio. Choose all the statements that apply to this molecule.
Why does frozen water (ice) float on liquid water
Answer:
Because it is a solid that has trapped air with the water molecules in cold temperature thus creating a hard solid.
Explanation:
Because Ice has comparatively less density than water. So, it floats on liquid water.
PLEASEEEEEE HELP A STRANGER OUT :(
Answer:
Aluminum Bromide is a ionic compound
Explanation:
https://study.com/academy/lesson/aluminum-bromide-chemical-formula-symbol-uses.html
Answer:
Ionic compound
Explanation:
Made of a metal and a nonmetal therefore it would be ionic.
The mouth is _____ to the back of the throat.
medial, distal, proximal, or lateral
Answer:
the mouth is lateral to the back of the throat
Which Female player play Twice different game like Cricket & Football in worldcup?
Answer:
Elyss Perry
Explanation:
having to made her to National Cricket Team and the national soccer team at the age of 16 Perry is the youngest Australian to play international cricket in the first have appeared in both ICC and FIFA World cups
How are hydrogen bonds similar to ionic bonds?
Answer:
here u go
Explanation:
Hydrogen bonds are intermolecular powers; covalent and ionic bonds are intramolecular powers. Ionic bonds structure when one molecule moves electrons to another iota. The molecule that loses an electron turns into a positive particle.
The oxygen in a molecule of water has a slight negative charge, and the hydrogens have a slight positive charge.
What causes this polarity?
Choose one:
A. The protons spend more time around the oxygen than they do around the hydrogen.
B. The protons spend more time around the hydrogen than they do around the oxygen.
C. The electrons spend more time around the hydrogen than they do around the oxygen.
D. The electrons spend less time around the hydrogen than they do around the oxygen.
Answer:d
Explanation:
The main reason why the oxygen in a water molecule has a slightly negative charge and the hydrogens have a slight positive charge is that electrons spend less time around hydrogen than around oxygen.
The water molecule is a chemical compound made up of two hydrogen molecules and one oxygen molecule (H2O). In chemical compounds, the molecules of the elements share electrons that orbit around their nuclei.
In the case of the water molecule, the electrons shared between oxygen and hydrogen orbit more around the oxygen molecule than in hydrogen molecules.
Therefore, the correct answer is D. because it expresses the situation that causes the oxygen molecule (of a water molecule) to have a slight positive charge and the hydrogen to have a slight negative charge.
Learn more in: https://brainly.com/question/13278693
What is the difference between a control variable and a constant variable
a.
What does light pollution have to do with bird migration?
b.
How would bird migration change after humans disappear?
Answer:
A) Light pollution both attracts and repels migratory birds
In addition to the many hazards that exist in urban areas, cities typically lack the food resources and cover that birds need during migration or when raising their young. ... Darkening skies at night during migration season makes it easier for birds to navigate.
Explanation:
Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by availability of food. It occurs mainly in the northern hemisphere, where birds are funneled on to specific routes by natural barriers such as the Mediterranean Sea or the Caribbean Sea.
define hibernation??
Hibernation is when an animal slows its heart rate to save energy and survive the winter without eating much.
hope it helps..
Answer:
The condition or period of an animal or plant spending the winter in a dormant state
Why are small populations more probe to genetic disease?
A- they have a greater frequency of harmful genes
B- they tend to interbreed with other populations
C- they have larger gene pools, so more diseases can occur
D - they are prone to instantaneous speciation
Answer:
They have a greater frequency of harmful genes
Explanation:
write down four characteristics of Aves
four characteristics of Aves are:
Birds are warm-blooded animals.
Their forelimbs are modified into wings.
They have well-developed flight muscles that help during the flight.
Their hind limbs are adapted for walking, hopping, perching, grasping, wading and swimming.
water running is living or non living
Answer:
Water has two hydrogen atoms and one oxygen atom in its chemical structure, so therefore it is not a living thing.
Water has the ability to power a wide range of people and objects.
Explanation:
Hope I was able to help. :) Have a good day!
Answer:non living
Explanation:In the definition of non living things it is known that they don’t reproduce, breathe, feed, excrete etc
WHAT ARE THE DIFFERENCES BETWEEN TEMPORARY AND PERMANENT CHANGE
Answer:
temporary changes are the changes which is there for only a short period of time. permanent changes are the changes which remain for a longer time.
Explanation:
In the following scenarios, identify the independent variable, and the dependent variable.
1. Endurance in high altitude mountain climbers with and without the use of supplemental O2.
a. Independent Variable:
b. Dependent Variable:
2. Weight loss in subjects eating low carbohydrate diets.
a. Independent Variable:
b. Dependent Variable:
3. The number of hours spent studying biology each week and grades earned on biology exams.
a. Independent Variable:
b. Dependent Variable:
Suggest a control group for each of the following experiments.
4. Cancer rates in students who smoke cigarettes are closely monitored over a 5-year period.
Control Group:
5. Weightlifters are given 400 mg of creatine phosphate every day for 90 days. At the end of the 90-day period each participant is evaluated for improvements in strength.
Control Group:
The independent variable produces an effect on the dependent variable, while the control variable produce no change on the results. In the exposed situations, the independent variables are supplemental O₂, low carbohydrate diets, hours spent studying biology. The dependent variables are Endurance of climbers, Weight loss, grades earned on exams. And the control variable might be time.
--------------------------------------
During an experiment, you need to consider all the variables involved.
Independent (manipulated) variable: Refers to all the variables in an experiment that provoke a response in another variable. An independent variable is the one that changes or is controlled and modified to analyze how another variable responds to it. The researcher changes the independent variable to observe its effects on the dependent variable. Usually, the independent variable is represented by the X letter. Dependent variable: Refers to the variable, which response depends on any change in the independent variable. It represents a quantity of something which value depends on how the independent variable is modified. The change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable. It is usually identified by the letter Y. Controlled variables are kept constant in the control groups and the experimental groups. Unlike the independent variable, the controlled variables do not influence the results. These variables do not affect the response of the dependent variable.
1. Endurance in high altitude mountain climbers with and without the use of supplemental O2.
a. Independent Variable: supplemental O2
b. Dependent Variable: Endurance in mountain climbers
The endurance of climbers will depend on the use of supplemental O₂. If they use supplemental oxygen, they will have more resistance than if they do not use it. Supplemental Oxygen is influencing the climbers´ endurance.
2. Weight loss in subjects eating low carbohydrate diets.
a. Independent Variable: low carbohydrate diets
b. Dependent Variable: Weight loss
Having a low carbohydrate diet will lead the subjects to lose weight. Any change in the quantity of the carbohydrate will affect the individuals' weight.
3. The number of hours spent studying biology each week and grades earned on biology exams.
a. Independent Variable: hours spent studying biology
b. Dependent Variable: grades earned on exams
The more hours students spend studying, the higher grades they get on biology exams. The grades depend on the number of hours used to study and are proportional to this variable.
4. Cancer rates in students who smoke cigarettes are closely monitored over a 5-year period.
Control Group: Time → Five years
Time is constant in all the study groups. Independently of the number of cigarettes smoked, or the frequency in which subjects smoke, all the groups will be analyzed for 5 years, and this time-lapse is constant.
5.Weightlifters are given 400 mg of creatine phosphate every day for 90 days. At the end of the 90-day period each participant is evaluated for improvements in strength.
Control Group: Time → 90 days
Time is constant in all the study groups. Independently of the creatine phosphate mg provided to weightlifters, individuals will be analyzed for 90 days, and this time-lapse is constant.
---------------------------------------------------
Related link: https://brainly.com/question/19585043?referrer=searchResults
Which molecule provides most of the energy used to drive chemical reactions in cells? ASAP
Answer:
El trifosfato de adenosina, o ATP, es una molécula pequeña relativamente simple. Esta puede ser considerada como la principal moneda energética de las células, así como el dinero es la principal moneda económica de las sociedades humanas.
Explanation:
Which plant is this?
What type of bond joins the monomers in a protein's primary structure?
Answer:
peptide bond joins the monomers in a protein's primary structure.
8. What part of the heart is described as having thin walls that store blood returning to the
heart?……
A. Upper chambers
B. Lower chambers
C. Ventricles
D. None of the above
Answer:
none of the above is answer
Choose a scientific theory and describe the theory.
gizmos cell respiration answer key
A trout population grew from 4 in 1992 to 16. in 1993 and then to 64 in 1994. If it continued to grow exponentially,
approximately how many trout were there in 19959
01:47:5
100
128
256
320
Answer:
128
Explanation:
Each number is being multiplied by 4:
1992 1993 1994 1995
4 16 64 ?
Multiply:
64 × 4 = 128
1992 1993 1994 1995
4 16 64 128
So, the answer would be 128.
Hope this helped.
2. Why space is left between two sections of rail tracks?
Answer:
hope this helps
Explanation:
The gaps left between successive rails on a railway track, the reason is that the rails expand in summer. The gap is provided to allow for this expansion. If no gap is left, the expansion in summer will cause the rails to bend sideways. That will result in train accidents.
does soil respond to stimuli?
Answer:
Like all organisms, plants detect and respond to stimuli in their environment. Unlike animals, plants can’t run, fly, or swim toward food or away from danger. They are usually rooted to the soil. Instead, a plant’s primary means of response is to change how it is growing. Plants also don’t have a nervous system to control their responses. Instead, their responses are generally controlled by hormones, which are chemical messenger molecules.
Explanation:
who was the first man to start classifying organisms
Answer:
Explanation:
Organisms were first classified more than 2000 years ago by the Greek philosopher, Aristotle. 1. Aristotle first sorted organisms into two groups – plants and animals.
is the 292nd anniversary of the birth of Carolus Linnaeus, the Swedish botanical taxonomist who was the first person to formulate and adhere to a uniform system for defining and naming the world's plants and animals
according to the food chain, how would an increase in the toad population most likely affect the other population
Answer:
There will be less insects
Explanation:
Insects eat on rotten food,so if there are no or less insects therefore there will be a lot of rotten food which can't be decomposed
*depends on the mark allocation
Which correctly lists the Three factors that are used to classify the six major climate regions? 25pts
A. Vegetation, geographical locations, temperature
B. Temperature, land formations, precipitation
C. Precipitation, temperature, vegetation
D. Land formations, vegetation, geographical locations,
Answer:
Your answer is C.
I would screenshot and show you for proof, but I don't know how to screenshot on this computer.
Precipitation, temperature, and vegetation are three factors that are used to classify the six major climate regions. Therefore, option C is correct.
What are climate regions and how are they classified?The description of a region's long-term weather pattern is its climate. The climate is the typical weather for a certain area and time period, typically averaged over a 30-year period. Indeed, it's a typical weather pattern for that area.
The Köppen climate classification classifies climates into five major climate groups, with subgroups within each group determined by seasonal patterns of temperature and precipitation. tropical, arid, temperate, continental, and polar are the five major groups.
Thus, precipitation, temperature, and vegetation are three factors that are used to classify the six major climate regions. Therefore, option C is correct.
Learn more about climate regions, here:
https://brainly.com/question/9223202
#SPJ6
Fish produce many offspring that inherit the for body color
Genes
Fish produce many offspring that inherit the _________ for body color.
When our body gets too hot, we begin to sweat. When sweat evaporates, thermal energy is transferred to the air outside our body and our body temperature drops. What characteristic of life does this represent?
Anwser: This involves the transfer of heat from one object to another, with no physical contact involved.
Explanation:
the sun transfers heat to the earth through radiation. The last process of heat loss is evaporation.
Which of the following organelles provide structure and rigidity to a plant cell?
Answer:
The plant cell is a eukaryotic cell, which exhibits photosynthesis and has membrane-bound, well-defined cell organelles.
Explanation:
Cell walls, intracellular vacuoles, and chloroplasts are the distinctive features of the plant cell, which makes them different from animal’s and other organism’s cells. The cell wall of a plant’s cell is one of the hardest structures made up of cellulose. The primary function of the cell wall is to provide rigidity, structure, and protection to the plant's cell wall. Vacuoles are the large sac in the plant cell, which also play a crucial role in waste disposal, storage, and providing support.
Answer: c
Explanation: membrane
