T controls your voluntary muscles — the ones that move when you want them to. So you can't dance — or kick a soccer ball — without your cerebrum.
Answer:
A. H+ ions would not flow
Explanation:
Generally if the amount of a substance is equal on both sides of a semi-permeable membrane, nothing is going to happen unless active transport takes place.
However, in this case, nothing would happen since active transport doesn't seem to be used, as I've mentioned before.
It would be secondary. This is because a natural disaster would cause an immediate effect on plant life in the area.
The last choice is the correct answer