Why is earths interior layered?

Answers

Answer 1
The Earth is divided into three main layers. The dense, hot inner core (yellow), the molten outer core (orange), the mantle (red), and the thin crust (brown), which supports all life in the known universe.

Related Questions

Each kidney contains ____ of nephrons. Each is _____ but extremely _____, much like a neuron(but shorter).

Answers

Answer:

One million.

Explanation:

Each kidney contains about one million of nephrons. The nephron is the structural and functional unit of the kidney means that our kidney is made up of nephrons. The main function of nephron is to produces urine in the process of removing waste, toxic and excess substances from the blood. kidney is responsible for the filtration of blood by removing all the waste materials and taken these waste materials to the excretory organs in order to remove from the body.

Organisms can be classified in the same species by morphology and _____.

Answers

reproductive isolation. Species refer to the group of organisms which share common morphological features and can interbreed and produce a viable offspring. Thus, the organisms of one species are reproductively isolated from the organisms of other species

What form of electromagnetic radiation do microwaves use?

Answers

Answer:

Microwave ovens work by using 2.45 GHz frequency electromagnetic waves know as microwaves to heat the water in food.

a microwave oven uses microwaves to heat food. Microwaves are a type of wave that are sandwiched between radio waves and infrared radiation on the electromagnetic spectrum.

Explanation:

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Describe what it means when we say that DNA replication is semi-conservative:

Answers

Answer: Semi-conservative replication means that during DNA replication, the two strands of nucleotides separate. Both strands then form the template for free nucleotides to bind to to create the two identical daughter strands. Hence each daughter strand has half of the DNA from the original strand and half newly-formed DNA.  brainliest

Explanation:

4. The diagram below represents one possible immune response that can occur in the human body.
**The structures that are part of the immune system are represented by
A, only
A and C, only
B and C, only
A, B, and C

5. Explain your answer to the previous question

Answers

Answer:

A and C only

Explanation:

I'm sorry I don't know how to explain it but trust me its A and C only.

What factors limit population growth?

Answers

low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration.
What he said! Wow good

Explain the relationship between the nucleus, gene,DNA,chromosome, and cell

Answers

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

why does a male body produce more testosterone than a female's body​

Answers

Answer:

Levels depend on a person's age, sex, and health. Males usually have much higher levels of testosterone in their body than females

Explanation:

As the metabolism of testosterone in males is more pronounced, the daily production is about 20 times greater in men. Females are also more sensitive to the hormone

Why might parents who don't show the trait of albinism have children who do?

Answers

Answer:

It’s just how it works

Explanation:

Ap3x

I think because that’s how they want it

The government wants to set new regulations that prohibit chlorofluorocarbons (CFCs) use in aerosol sprays and refrigerants. How will this act help with the sustainability of our environment?

Answers

Answer:

The new regulation  will help reduce the amount of green house gases available in the atmosphere thereby saving our environment from the Green house effect

Explanation:

Chlorofluorocarbons are examples of greenhouse gases which contribute to the Green house effect been experienced in our environment, by destroying the earths' Ozone layer

If the Government sets a new regulation that prohibit its use in sprays and refrigerants it will help reduce the amount of green house gases available in the atmosphere thereby saving our environment from the Green house effect

Answer:

that act will  help the sustainability of out environment because : C. It will slow down the degradation of the ozone layer

The usage of CFC will crate chlorine atoms that catalyze ozone degradation. By prohibiting this product, Government will slow down Ozone's degradation

hope this helps

What causes evolution to occur in organisms? Explain the process of evolution and how it is driven by various factors.

Answers

Answer:

Evolution occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift. This occurs because organisms with advantageous traits pass on more copies of these heritable traits to the next generation

Explanation:

If not then sorry I tried my best to help out.

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Answers

Pinta Island tortoises because they appear more similar to Hood island tortoises.

Answer:

The hood island tortoise.

Explanation:

It has the longest neck (adaptation), and will be able to reach food that is higher up, like a vine growing on a tree.

It is also because of it's saddle-shaped shell, that will make it easier to stretch.

Hope this helps! I don't beg, but if you liked my answer, please consider me for brainliest :)

Which of the following statements is NOT part of the cell theory?
A. Cells are made of molecules

Answers

Answer:

A

Explanation:

Spong father is a heterozygous squarepants and her mother is a roundpants, what are
her parents' possible genotypes?

Answers

Answer:

(a) If SpongeGerdy's father is a heterozygous squarepants and her mother is a ... possible genotypes that would result to help you determine Gerdy's genotype. ... sponge. She knows that they have a 50% chance of having a little roundpants, ... be blue (a recessive trait) like SpongeSusie and many members of her family.

Explanation:

How do toothed whales produce echolocating sounds?

Answers

Answer:

Toothed whales (including dolphins) have developed a remarkable sensory ability used for locating food and for navigation underwater called echolocation. Toothed whales produce a variety of sounds by moving air between air-spaces or sinuses in the head.

Explanation:

Answer:

Toothed whales can direct sound by bouncing it off air sacs in their nose and possibly by using face muscles to alter the shape of the melon.

Explanation:

True or False:Sunlight and the force of gravity are essential components to the water cycle
A. True
B.False

Answers

the answer is A. true.

Pls helpppp and thank youuuu

Answers

I think the answer is C, it’s helps

Which kingdoms contain both autotrophs and heterotrophs?

Answers

Answer:

The kingdom Protista contain both autotrophs and heterotrophs.

Prokaryotic cells do not have a distinct nucleus and are missing other organelles. This is a characteristic of which domains?

Help me!!!!! ​

Answers

Answer: Eukaryotes

Explanation:

Eukaryotes have membrane bound organelles like nuclei. Arcahea and Prokaryotes don't have memrbane bound organelles

Why is ecology important?

Answers

Ecology enriches our world and is crucial for human wellbeing and prosperity. It provides new knowledge of the interdependence between people and nature that is vital for food production, maintaining clean air and water, and sustaining biodiversity in a changing climate.

What is the difference between the original strand of DNA and the mutated
strand?
(HELPP)

Answers

Answer:

An original section of dna has the base sequence agcgttaccgt. A mutation in this dna strand results in the base sequence aggcgttaccgt. This change represents a frameshift mutation. It is a genetic mutation caused by indels (insertions or deletions) of a number of nucleotides in a DNA sequence that is not divisible by three.

Explanation:

Answer:

one is a mutant

Explanation:

Does anyone know why Mt. Vesuvius erupted? Was it natural or human caused?

Answers

Answer:

Human caused i think?

Explanation:

What are some ways that natural selection equips organisms for survival in their environment?​

Answers

Answer:

Well organisms who have traits that are beneficial to them and would make them live long enough to usually reproduce, it would become an adaptive trait. That organism who has that trait will most likely live the longest and reproducing which will pass down their traits. Other same type of organisms who don’t have that trait will most likely die quicker then those who do and they won’t be able to pass on their genes which will lead to the natrual selection being very few of those types. If your born with a non useful trait, you jsut pass it down, you can’t just have the ones that benefit you unless yoru parents have it. This is why at the ”end” there will be more with useful traits and barley any with non.

Water flows through plants in the following sequence:
a) transpiration from the leaves
b) absorption from the soil by root hairs
c) movement from roots to stem
d) flow upwards in the stem *

A. c, a, b, d
B. b, c, d, a
C. a, b, c, d
D. c, d, b, a

Answers

I think the answer is b

Please help...Will mark brainiest....It is due and I need help

Answers

Answer:

Explanation:

For the 1st one with the Cheetah: It would be a long tail because it helps them balance when they turn. Sinch Cheetahs move extremely quickly they need a balance to ensure they don't topple over when they turn, this tail provides this balance.

For the 2nd one with the bear: Thick coats on a bare will help provide warmth whenever they go to hybernate. Thin fur would leave room for freezing and wouldn't be able to help them maintain the proper body temperature.

The 3rd one with the clownfish: A round tail provides a bigger boost when swimming since it is able to push more water. A forked tail would create a gap when they swim so they would have to expend more energy than with a round tail.

The 4th one with the Finch: Since grubs live underground a thinner beak would be able to dig them out and stab them faster. This allows them to reach farther and get more food.

Answer:

D AZ FCSDF SDF F

Explanation:

just seeing how this works don't mind me

Can y’all please help me !

Answers

As I see it. Answers are all “A”

Answer:The first is A. the 3rd one is B.

Explanation:

This shows cardiac muscle. This type of muscle is *

Answers

Answer:

Involuntary

Explanation:

Hope that helps ;)

Answer:

Involuntary

Explanation:

Cardiac muscle is also an involuntary muscle, found only in the heart. The cardiac muscle fibers all contract together, generating enough force to push blood throughout the body.

A garden contains 40 flowers, 30 of which are red. What is the frequency of red flowers?

Answers

Answer:

0.75

Explanation:

a frequency of 1.0 occurs when all the flowers are red

A garden that contains 40 flowers, 30 of which are red. Then, the frequency of red flowers is 75% of 1:3.

What is Frequency?

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as the temporal frequency for clarity, and is distinct from angular frequency. Frequency is usually measured in hertz (Hz) which is equal to one event per second.

Gene frequency is the fraction or percentage of a population which carries a particular allele at a particular gene locus. In this case, a garden has 40 flowers, in which 30 are red.

Therefore, the frequency of red flowers = Number of red flowers/ Total number of flowers

The frequency of red flowers = 30/ 40 = 75% or 1/3

Learn more about Frequency here:

https://brainly.com/question/5102661

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When a plant doesn't have enough water, it will wilt and _____ .
A) the amount of carbon dioxide will increase
B) the amount of carbon dioxide will decrease.
C) the amount of oxygen will increase.
D) the rate of photosynthesis will increase

Answers

Answer:

The amount of Carbon Dioxide will increase.

Explanation:

Answer:

When a plant doesn't have enough water, it will wilt and the amount of carbon dioxide will decrease.

Explanation:

You're welcome!

why dont plants photosynthesise in the dark

Answers

Plants respire all the time, whether it is dark or light, because their cells need energy to stay alive. But they can only photosynthesize when they have light.

The oxidation of water occurs during photosynthetic electron transport during the light reactions of photosynthesis. In the absence of a source of light energy (dark reactions have no direct requirement for light energy), oxygen is not produced.

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