Question

How many times in the history of Earth has the number of species dropped drastically? A. four times B. three times C. five times D. six times

Answer 1

Its 5 :)

Step-by-step explanation:

i just took the test

Answer 2

I don't know if this is right but I think B: three times or its probably more than 3 times bc of these hurible people in this world!