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aev [14]
2 years ago
6

How are scientists able to determine the composition and size of earth slayers

Biology
2 answers:
Vsevolod [243]2 years ago
7 0

Answer:

Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. … So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers

Explanation:

EastWind [94]2 years ago
5 0

Answer: Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions.

Explanation:

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Identify each statement as a fact, theory, or law.
FrozenT [24]

Answer:

Every particle attracts every

other particle in the universe

using a force that is directly

proportional to the product

of their masses and inversely

proportional to the square of

the distance between them. (theory)

Human beings walk on the

ground rather than floating

in the air. (law)

Human beings walk on the

ground rather than floating

in the air because of Earth's

gravitational force. (fact)

Explanation:

theory: Us humans always come with theories so that it will make it a lot easier for us to understand the whole picture. So that's why the first part is a theory because we have never seen every particle attract an other particle. but because of the modern technology we are able to make a trustworthy theory.

Fact: We know that humans walk on the ground because of the earth's gravitational force.

law: This law mathematically describes how two different bodies in the universe interact with each other.

I hope this is ok :)

8 0
2 years ago
Define pressure potential.
elena-s [515]

Answer:

The component of water potential due to the hydrostatic pressure that is exerted on water in a cell. ... In turgid plant cells it usually has a positive value as the entry of water causes the protoplast to push against the cell wall (see turgor).

6 0
3 years ago
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Why is a virus considered to be nonliving(info provided in text of reading)?​
astra-53 [7]

Answer:because it doesn’t need to consume energy to survive, nor is it able to regulate its own temperature.

Explanation:

6 0
2 years ago
The selective advantage of radial symmetry for sessile and free floating animals
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Answer:

organisms, radial symmetry is useful because the animal can just "sit down" and grab food or detect threats from all directions.

Explanation:

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A polymer formed from this molecule
evablogger [386]

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Nucleic acid is answer

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