They help us understand the concept of evolution and they help us understand what our earth was like before and after pangea or the great continental drift
Answer:
b. tendons connected muscles to bone.
Answer:
a guy named Dmitri mendeleev devised the periodic table and it did not go very well for him
Explanation:
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Answer:
286.825 or 287
Explanation:
To do this, you need to convert 38.5% to a decimal (0.385) and multiply it by 745.
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The chemical bonds in CH4 are all single bonds. C only can bond 4 times because it needs 8 electrons in it's outer shell and only has four right now. The bonds represented are all single bonds because there are two electrons present on each side of the carbon. Two electrons, in this case, equals one bond.
