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Mama L [17]
3 years ago
12

Who proposed the primordial soup theory

Biology
1 answer:
Free_Kalibri [48]3 years ago
6 0
Alexander l.oparin I looked it up !
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How would you account for the fact that fossils of fish are not present in the older layers of rock?
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Answer:

The fish did not yet exist when the old layers of rocks were deposited. In fact, animals with hard parts did not evolve until about 600 million years ago, which is only about 13% of the 4.5 billion year age of the Earth. Multicellular animals without hard parts left tracks in older sediments, but had no fossilize-able body parts.

Explanation:

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Do all of the polar bears that live in the Arctic are considered a population
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If your heart beating is too fast at rest what is ponyential problem you may have ?
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3 years ago
Which of the following would you use to inhibit the contraction of muscle in vitro as a control for an experiment you are conduc
borishaifa [10]

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The correct answer is option A. a motor protein ATPase inhibitor.

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