Answer: Ocean pollution
Step-by-step explanation:
The ocean pollution is that pollution which is caused by the action of human beings in such a way that it polluted the ocean.
The human activities have added non biodegradable waste materials to the water bodies that flows and gets added in the ocean water.
The ocean pollution has not been controlled by the citizens,and further it is being monitored by the Environmental protection act and most of the polluted water is treated.