Answer:
1
Explanation:
This is one of the basic pythagorean identities.
Answer:
I'm thinking maybe B, illustrates the principle of natural selection.
Explanation:
This example shows that, once a particular event happens in a species' ecosystem that negatively affects their lifestyle, natural selection occurs and kills off those with a disadvantageous adaptation (in this case the narrow-beaked finches, since they could no longer eat insects but did not have the beak size to crack seeds), allowing those with the advantageous adaptation (in this case, the thicker-beaked birds) to prosper.
A fault block mountain would form.
The two types of plates colliding would make them both rise up creating amountain that looks sort of looks like cards standing together.