HELP ME PLEASE Given a and b such that (x^3)^a = x^15 and (x^b)^4 = x^8 for all positive x, what is a - b?

Group of answer choices

x^3

x

x^16

x^23

x^30

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.  

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step-by-step explanation:

the

a. true

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