Answer:
well if a species has a mutation that helps it in its enviroment it will most likely live longer and get to reproduce more causing more of that same mutation therefore causing an adaptation.
Explanation:
Answer:
A. a year that was cool or dry
Explanation:
The answer is litter carbon dioxide bubbles
I hope that helped
Mainly to make life easier.
if one layer changes than scientists don't need to change all of their data.
it also helps keep organized.
hope this helped
ebs02
:)
