Answer: Option C
Step-by-step explanation:
Oceans covers most part of the earth and has abundant amount of fishes and other resources in it.The ocean has has amount of crabs, oysters and many more aquatic animals.
The fishes are used and exported too they are present in large amount. Though they are present in huge amount we must take care of the population of fishes because they are not unlimited.
They are present in large amount but they be handled with care and must be used in a certain limit so preserve them.