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mamaluj [8]
3 years ago
8

What is a common ancestor?

Biology
2 answers:
vesna_86 [32]3 years ago
8 0

The answer is B :) ...........

Aleksandr [31]3 years ago
7 0

C. Common Ancestors are the animals that we evolved from

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What causes this periodic change in ocean level
Tom [10]

Answer:Sea levels change for three main reasons: 1) As water warms and cools it expands and contracts; 2) The amount of water contained as ice on land surfaces changes over time; 3) The Earth's surface is dynamic and can move vertically.                                                                                    

Explanation:The first two reasons are directly caused by global temperature changes.

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zhuklara [117]
A.)
The student had to assume that starch was made from the glucose created in photosynthesis in order to conclude that no starch was present in the leaf areas that lacked chlorophyll and could not perform photosynthesis.
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And conerted into usable form of energy
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B

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