Answer:
They look different
Explanation: Look at them. Yes ok good
Answer: it's a because the answer c makes no sense and theirs no way for it to form from a volcano
Answer:
Natural selection doesn't favor traits that are somehow inherently superior. Instead, it favors traits that are beneficial (that is, help an organism survive and reproduce more effectively than its peers) in a specific environment. Traits that are helpful in one environment might actually be harmful in another.
Explanation:
there ya go mate ^^
Many reasons to be honest but the main one is because of erosion and the water levels (rising and falling)