Answer:
B.ocean trench
Explanation: When tectonic plates slide against each other one overlaps the other.
Answer:
Chlorophyll
Explanation:
Chlorophyll is needed for photosynthesis in plants so the ammount of chlrophyll will limit the rate of photosynthesis because its needed for it
It is between A and B.
But if the species is going to be extinct, that means that they are being threatened.
So the answer is B.
