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daser333 [38]
3 years ago
8

Please help !! 22 points !

Biology
1 answer:
Lena [83]3 years ago
7 0

Answer:

The embryo develops the heart, nervous system and face.

Explanation:

The nervous system is one of the first things to develop, following is the heart and then their face. Physical traits which also develop are the  arms, legs and sexual organs.

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The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes.

Explanation:

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Genes & DNA

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Which of the following is not a part of Darwin’s theory of evolution?
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A, because, the entire point of his theory was to prove that changes don't happen spotaneously!

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