Look at the photo for reference if you still need help unless you haven’t gotten it yet.
Answer:
If we did not have an atmosphere, we would fly out into space. We would also not be protected from harmful rays from the sun, and astroids. Human life would not live very long.
Explanation:
Hope this helps! :)
<span>More individuals are produced each generation that can survive.
Phenotypic variation exists among individuals and the variation is heritable.
Those individuals with heritable traits better suited to the environment will survive.
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When reproductive isolation occurs new species will form.</span></span>
I know only three specific ones. They are: forebrain, midbrain, and hindbrain.
I think that it's weathering because weathering is the one that wears down the surface.
