Answer:
most ocean pollution comes from plastic waste and garbage flood
The mongols underestimated the japanese military which then resulted badly.

In humans, the medulla region of the brain is mainly responsible for the regulation process of respiration. It is also called the respiratory rhythm centre. The chemosensitive area located near the respiratory centre sends signals across nerve impulses to alter the rate of expiration to eliminate compounds.
Hyaluronic acid, <span>also called </span>hyaluronan.