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3 years ago

Why are the core and mantle still so hot?Which layers of the earth are solid vs. liquid and why?

1 answer:

4 0

The mantle and core of the earth are still hot because of the pressure of the overlying earth layers. The deeper the layer the hotter it is due to higher pressure, in lieu of the fact that temperature and directly proportional. In addition, some of the heat from the time the earth was formed is still trapped inside the earth and nuclear decay of radioactive elements in the regions ensure the earth does not cool.

The mantle and outer core of the earth are liquid while the inner core is solid. The former layers are liquid because the temperatures in these regions have surpassed the melting point of the elements that make up the layers. However, the inner core remains solid due to the enormous pressure in the region. The pressure is so high it prevents the element in the region from melting.

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Place the particular characteristic into the correct corresponding type of dna replication. each characteristic may be used once

torisob [31]

Answer:

This is the remaining incomplete part of the question.

Requires separation of template strand Uses helicase Occurs during interphase of cell cycle Require primers Occurs in nucleus Requires dNTPs Produces Okazaki fragments Requires DNA polymerase Requires Primase Requires Taq DNA polymerase Requires cycles of heating Occurs in cytoplasm Occurs during anaphase of mitosis

Explanation:

Cellular DNA replication Polymerase chain reaction

Requires separation of template Requires separation of template

strand strand

Requires dNTPs Requires dNTPs

Uses helicase Requires cycles of heating

Requires Primase Require primers

Requires DNA polymerase Requires Taq DNA polymerase

Occurs during interphase of cell cycle

Occurs in nucleus Occurs in test tube

Produces Okazaki fragments

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2 years ago

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elixir [45]

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3 years ago

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If Avery had observed transformation using only the extracts containing degraded DNA, degraded RNA, and degraded protein, but NO

Leokris [45]

Answer:

Polysaccharides are the genetic material.

Explanation:

Avery did not observe transformation using the extracts containing degraded DNA. On the other hand, extracts with degraded RNA, proteins, and polysaccharides exhibited transformation. Therefore, he concluded that DNA is the genetic material responsible for transformation. If he would have observed the process of transformation using extracts containing degraded DNA but not with degraded polysaccharides, he might have concluded that "polysaccharides were the genetic material responsible for the process of transformation."

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3 years ago

About how many times does the moon orbit Earth in one year

Ivahew [28]

Answer:

The Moon completes a circle around the Earth in approximately 28 days.

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3 years ago

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David's wife wakes him from a peaceful slumber to tell him that she heard a noise. As he slowly gets up to investigate, his hear

dusya [7]

Answer: Sympathetic Nervous System.

Explanation:

The sympathetic nervous system is part of the autonomic nervous system. The sympathetic nervous system activates what is often termed the fight or flight response. The sympathetic nervous system directs the body's rapid involuntary response to dangerous or stressful situations. A flash flood of hormones boosts the body's alertness and heart rate, sending extra blood to the muscles. Breathing quickens, delivering fresh oxygen to the brain, and an infusion of glucose is shot into the bloodstream for a quick energy boost. The sympathetic nervous system allows animals to make quick internal adjustments and react without having to think about it.

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3 years ago