I have to see the graph to know the answers to one and two but here's the answer to number three:
"A huge increase in trees and plants will decrease the amount of carbon dioxide in the air because trees absorb carbon dioxide."
Answer: vanilla pudding mix
Explanation:
Hope this helps!!
Answer:
Muscle cells have a ton of mitochondria.
Explanation:
I do not know if this is what you need, as question is too vague. But muscle cells have a lot of mitochondria because they need energy to help us move daily.
Molecules always tend to move downhill i.e, from higher concentration to lower concentration, but if a molecule has to move uphill i.e towards higher concentration then energy has to be spent.
Active transport requires energy in the form of ATP i.e. ATP must break down for the movement of molecule against its concentration gradient. (ans is A)