Question

What one of the following items is a producer of pollution?

a. forest
b. oceans
c. factories
d. bicycles user: how many times in the history of earth has the number of species dropped drastically?
a. 4 times
b. 3 times
c. 5 times
d. 6 times

Answer 1

First one C 2nd is A

Answer 2

1. c , not sure about the 2nd one .