Select the correct answer. Which of the following has become today’s major cause of mass extinction? A. Adaptive radiation B. Human activities C. Addition of new species

Human activities, by us doing certain things like cook outs and parties, we lack the sense to clean up after ourselves or to put other species into consideration.

Explanation:

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.