I think that it is A. it forms new mountains under the water
I dont want to mislead you, but I believe the answer is A because letter B is wrong because plants go through cellular respiration and photosynthesis, whereas animals go through cellular respiration but not photosynthesis, and for C, I've never heard of that so it doesnt seem likely.
The answer is the last choice, or ‘ GG and Gg’
signals is the answer for sure