According to the big bang theory which describes the universe before the actual big bang occurred?

A. Multiple cold dense points each larger than the sun
B. Multiple hot dense points each smaller than an atom
C. Single hot dense point smaller than an atom
D. Single Coltons point larger than the sun

Adaptive radiations can be a direct consequence of four of the following five factors. select the 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