What would most likely happen if the number of shrimp increased?
a. the salmon population would increase.
b. the plankton population would increase.
c. the plankton population would not change.
d. the salmon population would not change.

A. The salmon would increase

Explanation: The salmon feed off of  the shrimp so they would increase

A. The salmon population would increase.

Explanation:

If there were more shrimp then more salmon would come. But, the shrimp would soon die because there is not enough Phytoplankton, and the salmon would die because there is not enough shrimp, and then we would die because half of the world's oxygen would be eaten by now dead shrimp.

i'd say that the moon rock is about 2.2 billion years old.