White tailed deer have become so numerous in the united states that they have became a nuisance.

The correct answer is c

Carbon dioxide is the correct answer

The rate that would change would be the  searching efficiency/attack rate. there are only two other rates in this model: the  growth rate of prey, and the  predator or consumer mortality rate.the  searching efficiency/attack rate is what indicates how effectively can a predator capture its prey whether in the searching process or actual capturing/attacking process.