I need help on this real quick, please.
Which substance can be separated by physical means and it is not the same throughout?
A: a compound
B: a heterogeneous mixture
C: a homogeneous solution
D: an element
Answer:
B
Explanation:
a heterogeneous mixture
Answer:
B
Explanation:
hetro means differant (not the same.)
What are the 2 major categories of angiosperms?
Answer:
Monocotyledons (monocots) and dicotyledons (dicots)
Explanation:
Answer:
Monocotyledons (monocots) and dicotyledons (dicots).
Explanation:
I don't know if this actually needs an explanation :)
Typical Animal Cell
I need help with the diagram
Answer:
Explanation: Animal cells are eukaryotic cells or cells with a membrane-bound nucleus. Unlike prokaryotic cells, DNA in animal cells is housed within the nucleus. In addition to having a nucleus, animal cells also contain other membrane-bound organelles, or tiny cellular structures, that carry out specific functions necessary for normal cellular operation. Organelles have a wide range of responsibilities that include everything from producing hormones and enzymes to providing energy for animal cells.
The answer
Key Takeaways
Animal cells are eukaryotic cells that have both a membrane-bound nucleus and other membrane-bound organelles. These organelles carry out specific functions that are needed for the normal functioning of the cell.
Plant and animal cells are similar in that they are both eukaryotic and have similar types of organelles. Plant cells tend to have more uniform sizes than animal cells.
Cell structure and organelle examples include: centrioles, the Golgi complex, microtubules, nucleopores, peroxisomes, and ribosomes.
Animals typically contain trillions of cells. Humans, for example, also have hundreds of different cell types. The shape, size and structure of cells go along with their specific function.
If a sperm carrying an X chromosome joins together with an egg, what is the probability that the sex of the fertilized egg will be female?
Answer:
the probability will Be high because boy use one y chromosome and one x chromosome while girls only need two x chromosome
The probability will be high because boy use one y chromosome and one x chromosome while girls only need two x chromosome.
What do you mean by chromosomes?A chromosome is a long DNA molecule with part or all of the genetic material of an organism. In most chromosomes the very long thin DNA fibers are coated with packaging proteins; in eukaryotic cells the most important of these proteins are the histones.
Moreover, chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
Hence, humans typically have 23 pairs of chromosomes, or 46 chromosomes in total. Chromosomes are made up of long strands of DNA, which contain all the body's genes.
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Which of the following is a risk of commercial fishing?
fatality rate that is 23 times as high than for all regular workers
Match the labels with the symbols on the weather map. cold front warm front low pressure 40-knot winds overcast skies high pressure
Answer:
^^; Hope this isn't too late!!!
Explanation:
You'll see my answer is completely verified, as I got them all right when I took the test XD
List three questions about human honey guide symbiosis that could be answered with further research
Answer: 1. do honeyguides in different areas of the world have a similar symbiosis with humans?
2. how old are the birds when they learn to respond to the humans' calls?
3. could other birds in the region form a similar symbiosis with humans?
Explanation:
Which of these practices does the most to keep wind and water from Carrying away topsoil?
Answer:
the answer would be no-till farming
Explanation:
when the soil is compacted and naturally embedded into the ground the wind wont be able to throw it around and the water would be unable to wash away the seeds and or crops. hope this helps if you wanted to know why
: This is an organ of the central nervous system, which has three distinct parts that control and coordinate the activities of the body. The cerebrum controls thoughts, voluntary actions, and the sensations related to the five senses. The cerebellum helps with balance and coordination. The stem controls vital and involuntary processes like breathing and your heart beating.
Answer:
the brain.
I am not sure if this is what the question wanted but that is a description of the brain.
In which list are the levels of organization in the human digestive system shown from lowest to highest?
Answer: I believe it would be A: epithelial cell, intestinal lining, intestine, digestive system, human body.
Hope this helps!!
Answer:
A—
Cell
Lining
Intestine
System
Body
Explanation:
This is from smallest to largest. In the system.
PLEASE HELP FAST
_____________ is a nonrenewable fuel created from the remains of living organisms.
Answer:
Fossil fuel is the answer.
Hope this helps:)
Sry if wrong
Answer:
Oil, NaturAL gAS, OR COAL
Explanation:
Marvin blows up a balloon but lets go of it. The air inside is released and the balloon goes up into the air. What best describes what happens?
Answer:
The thrust of the air propels the balloon in the opposite direction
Explanation:
Answer:the thrust goes the opposite direction
Explanation: the air is blowing one way while the push of force thrusts the balloon the other way
What are 2 examples of conservation efforts in the marine environment?
Answer:
Explanation:
Marine conversation is a structured plan in the protection and preservation of oceans ecosystem and seas.
Example of conversation method is,
Marine protected areas are areas protected to limit human activities. Some places are permanently closed while some are zoned into various categories.
Sustainable fisheries this is also done to conserve fishes in the ocean to avoid a continuous decline in population. It is done using theoretical approach and practical approach.
1. Water is the only substance that exists in nature as a solid, liquid, and gas
at Earth's
Which statement about fossils could be used as evidence that
evolution by natural selection has been in effect for millions of
years?
Fossils found in higher layers of rock are older than those
found in lower layers.
Fossils found in lower layers of rock are more complex than
those found in higher layers.
© Fossils of current species have been found throughout rock
layers that are billions of years old.
0 Fossils of species that no longer exist but are ancestors of
current species have been found in rock layers.
Fossils of species that no longer exist but are ancestors of current species have been found in rock layers. Thus, the correct option is D.
What are Fossil fuels?A fossil fuel is a hydrocarbon-containing material which is formed naturally in the Earth's crust from the remains of dead organisms such as plants and animals which are extracted and burned as a fuel. The main fossil fuels which are present in the earth's crust include coal, oil, and natural gas.
The evolution of species is easily confirmed by the presence of fossils of the most diverse species of the living beings in the world. This is because, fossils are the records of species which do not currently exist, however there are existed millions of years ago and are similar to the current species, being their ancestors.
Therefore, the correct option is D.
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Questions:
1. What causes deforestation?
2. Why is biodiversity important?
3. Why is the soil in the rainforest not ideal for farming?
4. How does deforestation make global climate change worse?
5. How are tropical rainforests protected?
Answer:
pls mark this as the brainliest answer...
hi, here's ur answer
1. Agricultural Expansion. The conversion of forests into agricultural plantations is a major cause of deforestation.
Livestock Ranching.
Logging.
Infrastructure Expansion.
Overpopulation.
2.Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play.
For example, A larger number of plant species means a greater variety of crops. Greater species diversity ensures natural sustainability for all life forms
3. In the rainforest, most of the carbon and essential nutrients are locked up in living vegetation, dead wood, and decaying leaves. As organic material decays, it is recycled so quickly that few nutrients ever reach the soil, leaving it nearly sterile.
4. The surplus carbon is stored in the plant, helping it to grow. When trees are cut down and burned or allowed to rot, their stored carbon is released into the air as carbon dioxide. And this is how deforestation and forest degradation contribute to global warming.
5. Restore damaged ecosystems by planting trees on land where forests have been cut down. Encourage people to live in a way that doesn't hurt the environment. Establish parks to protect rainforests and wildlife. Support companies that operate in ways that minimize damage to the environment.
hope this helps you...
What is the pathway of air into the body?
nose → nasal cavity → pharynx → trachea → larynx → bronchi → lungs
nose → nasal cavity → pharynx → larynx → trachea → lungs → bronchi
nose → nasal cavity → larynx → pharynx → trachea → bronchi → lungs
nose → nasal cavity → pharynx → larynx → trachea → bronchi → lungs
Answer:
nose → nasal cavity → pharynx → larynx → trachea → bronchi → lungs
Explanation:
this is right.
Answer:
It's D he's right
Explain:
I just did it in edge
The diagram below shows part of the nitrogen cycle.Which stage is decomposition? *
A.2
B.3
C.4
Answer:
3
Explanation:
decomposer in the soil tie the nitrogen from dead organism into ammonium
Look at where the state of Jalisco is on this plate boundary map. What do you notice about Jalisco and the plate boundaries near it? Can you make any predictions based on what you see?
Answer: it's on the border of Mexico
Explanation:
im in 7th grade so idk alot
Recessive sex-linked traits such as color blindness appear more frequently in
males because
A. males inherit only one sex chromosome.
B. males inherit two copies of every sex-linked allele.
C. sex-linked alleles are carried only on Y chromosomes.
D. males inherit only one sex-linked allele.
Answer:
D is the answer
Explanation:
The ability to do work or cause change is called
energy
O force
O power
Owork
Answer:
energy
Explanation:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP.
True
False
Answer:
it is true
Explanation:
Which era makes up the vast majority of Earth's history?
O A. Mesozoic
O B. Palezoic
O C. Cenozoic
O D. Precambrian
Answer:
Precambrian era is the longest era in the Earth's history. It began 4600 million years ago and ended about 540 million years ago.
Explanation:
Precambrian era makes up the vast majority of Earth's history. So, the correct option is D.
What was Precambrian era?The majority of the history of the planet occurs during the Precambrian epoch. The Precambrian, which occurs before the current Phanerozoic Aeon, is the earliest period in Earth's history. The Cambrian, the earliest period of the Phanerozoic Aeon, is named after Cambria, the Latinized name for Wales, where rocks of this era were first investigated, hence the name "Precambrian."
The Precambrian period is known as the "Age of Early Life." The Precambrian period saw the formation of continents, the emergence of our current atmosphere, and the evolution and flourishing of early life. The world's oceans were home to soft-bodied animals like worms and jellyfish, while the land remained sterile.
Therefore, the correct option is D.
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If the food source is affecting the buffalo population, what do you predict the graph of the food source would look like? Either draw a graph or write a prediction.
Answer:
I think the number of buffalo should reduced,for the grass to grow better and act as the food for buffalo
If the food source is affecting the buffalo population, the number of buffaloes in the area should decline.
What do you mean by Population?A population may be defined as the number of individuals of the same species in a particular area at a given time.
Anything that affects the population of any species, it definitely reduces the number of specific species in a particular area. Then the affecting resource has the chance to spread in a much better way.
Therefore, if the food source is affecting the buffalo population, the number of buffaloes in the area should decline.
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What is capillary action and why is it important
Capillary action can be defined as the ascension of liquids through slim tube, cylinder or permeable substance due to adhesive and cohesive forces interacting between the liquid and the surface , another possible definition is that it's the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity.
Without capillary action, the water level in all tubes would be the same. Smaller diameter tubes have more relative surface area inside the tube, allowing capillary action to pull water up higher than in the larger diameter tubes.
biologically it's important in plants and trees , Water is brought high up in trees by branching; evaporation at the leaves creating depressurization; probably by osmotic pressure added at the roots; and possibly at other locations inside the plant, especially when gathering humidity with air roots
PLEASE HELP I WILL BE GIVING THE BRAINLIEST AND 30 POINTS!!!!!!!!
Mila had looked at diagrams of a plant cell and an animal cell. The book she used showed each stage of cell division. She noticed that during cytokinesis, plant and animal cells divided in a different way so she looked up why. How does cytokinesis differ in plant and animal cells?
A. The animal cell only needs to divide once and pinch off during cytokinesis to form the daughter cells. The plant cell must divide twice in order to form the cell plate and two daughter cells.
B. The plant cell only needs to divide once and pinch off during cytokinesis to form the daughter cells. The animal cell must divide twice in order to form the cell plate and two daughter cells.
C. The cell plate forms in an animal cell that divided the daughter cells and makes the cell membrane and cell wall. The plant cell uses the cell membrane to pinch off the cytoplasm into two daughter cells.
D. The cell membrane in animal cells pinches off the cytoplasm into two daughter cells. The plant cell forms a cell plate that divides the daughter cells and forms the cell membrane and cell wall.
Answer:I think the answer is B
Explanation:
B should be correct!
Hope this helps.
A human's breathing rate can be affected by
A. the level of carbon dioxide in the cells.
B. the level of oxygen in the blood.
C. the acidity of the blood.
D. all of the above.
what is the meaning of pili
Answer:
the edible seed of a Phillipine tree, which tastes like a sweet almond.
Explanation:
that is the answer unless ur asking about a different one also can i get brainliest plz
Answer:
They are small hair-like projections on a bacteria cell, that attach to other bacteria cells.
An example of plasma is _____________liquid_______________________.
2. The fifth type of matter that can be created only in a laboratory is called ___condensate_________________.
are these correct?
Answer:
Example of plasma.
Explanation:
lightning.aurorae.the excited low-pressure gas inside neon signs and fluorescent lights.solar wind.welding arcs.the Earth's ionosphere.stars (including the Sun)the tail of a comet.
2.It's Bose-Einstein condensate,
What happens to patients when they are on nevirapine?
Answer:
Nevirapine can cause serious, life-threatening side effects. These include severe liver problems, skin rash, and skin reactions. Liver and skin problems can happen at any time during treatment with nevirapine.
Explanation:
Answer: Nevirapine can cause serious, life-threatening side effects. These include severe liver problems, skin rash, and skin reactions. Liver and skin problems can happen at any time during treatment with nevirapine, but your risk is greatest during the first 18 weeks of treatment.
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Explanation:
