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yanalaym [24]
3 years ago
11

Which theory says that populations change slowly over time?

Biology
1 answer:
tatuchka [14]3 years ago
3 0
The theory of evolution!
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What are the four main types of carbon based molecules.
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Answer:

Lipids, proteins, nucleic acids, and carbohydrates.

Explanation:

These carbon-based molecules make up all organisms and living things. These 4 molecules are the four major types of carbon based molecules

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Which of the following is a process that changes the composition of rocks and from one mineral to another?
Arlecino [84]

Complete Question:

Which of the following is a process that changes the composition of rocks from one material to another?

Group of answer choices.

A. Erosion

B. Deposition

C. Physical weathering

D. Chemical weathering

Answer:

D. Chemical weathering

Explanation:

Weathering can be defined as the physical and chemical breakdown of rock into smaller pieces called sediment. Weathering can be classified into two categories namely;

I. <u>Physical weathering</u>: it is the process of breaking rocks into pieces without affecting its chemical composition e.g temperature, abrasion and frost action.

II. <u>Chemical weathering</u>: it is the process of breaking rocks into pieces by chemical action which leads to changes in its chemical composition e.g carbonation, hydration, plant acid and oxidation.

This ultimately implies that, chemical weathering refers to a process that changes the composition of rocks from one material to another. Some of the by products of chemical weathering are clay minerals, quartz, feldspar, muscovite, etc.

4 0
2 years ago
How is warm front formation different from occluded front formation?
raketka [301]

a) A warm air mass rises above a cold air mass during a warm front, but two cold air masses surround a warm air mass during an occluded front.


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During the nitrogen cycle, plants take in nitrogen compounds through their
Lelechka [254]

Answer:

roots

Explanation:

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Help me identify the parts of this cell:
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Answer:

1- membrane

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3- mitochondrion

4- rough ER

5- dna

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7- cytoplasm

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12- lysosome

Explanation:

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