Answer:
Convection
Explanation:
Convection, or the flow of mantle material transporting heat, drives plate tectonics.
It is antigen a,antigen b and no antigen
Answer:
The correct answer is b
Explanation:
A biogeochemical cycle corresponds to an exchange of different elements such as carbon, nitrogen, water, phosphorus, nitrogen, carbon and other elements, between living beings and the environment (either decomposition or production processes).
Stabilizing selection is the correct answer. It decrease the amount of biodiversity on earth.