
The answer is...
B. Cooling as the lava runs down the mountain.
Hopefully, this helps you!!

Answer:
A
Explanation:
choice C would be tempting to choose but the the amount of molecules of a compound most of the time only 1 unless stated otherwise. The more obvious answer is that you can find the amount and kind of atoms in the compound.
Answer:
I believe the answer would be; the forest will be repopulated by trees and eventually become a forest again. Hope this helps!
Explanation:
When something is cooled, its atoms compact and become more dense. vice versa for heating
The process you're looking for is known as cellular respiration.
Hope it helped!