3. What type of evidence does cosmic background radiation provide about the origins of the universe? It supports predictions of the composition of the early universe.
It pinpoints the size of the original universe.
It verifies that the early universe was once extremely hot.
It proves that the universe is expanding.

Just dont put scarce

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. 

D, capsid protien, its the protein shell of a virus.