Formation of the Earth's Atmosphere. The early Earth was very different from our Earth today. The early Earth experienced frequent impacts from asteroids and meteorites and had much more frequent volcanic eruptions. There was no life on Earth for the first billion years because the atmosphere was not suitable for life.
Answer:
<em>True, </em><em>this is because they are used to keep balance and hold your own body weight, your wrist and hand shouldn't, that is why your arms and legs are for lifting heavy stuff. So that is why your tarsus and foot are stronger.</em>
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Answer:
The answer to the first one is B. A mechanism for the evolution of a population to become better adapted to their environment over many generations.
The answer for the second one is C.vestigial
Explanation:
The way that I know it is that cells make up tissue, tissue makes up organs, and organs make up organ systems.
