Question

Which of the following has become today’s major cause of mass extinction?
Adaptive radiation
Human activities
Addition of new species

Answer 1

Mass extinctions are periods in Earth's history when abnormally large numbers of species die out simultaneously or within a limited time frame. The most severe occurred at the end of the Permian period when 96% of all species perished.n so I think b

Answer 2

@jagr2713

Answer 3

CORRECT

Answer 4

That is correct! :)