Answer:
D
Explanation:
D is mitochondria, which are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.
The brain sends a message to get rid of the waste? sorry if wrong
A violent volanic eruption occurs due to magma with high viscosity. Especially when their is a lot of pressure inside thr volcano.
