What caused a spike in the number of moose during the years 1990–1995? a. the moose population didn’t have enough resources. b. the number of predators to the moose population was low. c. the wolf population increased. d. the number of predators to the moose population was high

The correct answer is option B.  

Explanation:

Moose and the wolves population is found to continuously decrease and increase during the 1990s. Wolves are the predators of the moose so whenever the population of predators becomes low the population of the moose found to be increasing.

From 1990 to 1995 the number of predators of the moose was lower to the population of the moose. There was a sudden decrease in the population of the predators that lead top the spike in the population of the moose.

Thus, the correct answer is option B.