What is the name of Earth’s innermost layer?

Biology

2 answers:

andriy [413]2 years ago

8 0

Answer:

A.) Core

Explanation:

Core definition: a central and often foundational part usually distinct from the enveloping part by a difference in nature.

IrinaVladis [17]2 years ago

7 0

Answer:

The correct answer is option A. core.

Explanation:

The core is the innermost layer of the earth. It is a very hot, dense center of the earth that is beneath the solid mantle and crust that are cold. It is a solid ball that has about a 3485-kilometer radius.

The core of the earth is very hot regions which are said to be because of radioactive decay of different elements.

Thus, the correct answer is option A.

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How did Alexander Fleming's research solve a societal problem?

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He discovered a new type of medicine that could treat infections.

He discovered the 1st antibiotic (penicillin).

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2 years ago

List four types of evidence used by alfred wegener to support his hypothesis of continental drift?

alisha [4.7K]

1.) similar fossils were found on different continents.
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2 years ago

Read 2 more answers

DNA is different from RNA in that

Olegator [25]

Answer:

RNA contains an additional oxygen atom on the ribose sugar. (Ans. C)

Explanation:

RNA contains a sugar which is known as ribose, and which contains an extra group of hydroxyl (OH-) while DNA contains deoxyribose sugar.

RNA contains four nitrogenous bases cytosine, adenine, guanine, and uracil, while DNA contains cytosine, adenine, guanine, and thymine.

Double helix means two stranded structure like DNA, while RNA is single stranded.

DNA molecule is much longer polymer than RNA molecule.