The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
The organism that is likely to carry out this process is a plant
Answer:
It explained how evolution works
Explanation:
It is called magma when in is under the earths crust, but above the surface it is called lava. So the answer would be "B."