Answer quickly plz and give the right penn foster answer only

What is the dependent variable that impacts the amount of solar energy in a location?

a. Latitude

B. prime meridian

c. Equator

d. Longitude

Correct Penn Foster answer only I don't think the answer is the equator or prime meridian

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food