Select All of the Following That Are True for Oxygen

Multiple Choice

Select all of the following that are true for oxygen in the atmosphere.

A) It is typically made up of two oxygen atoms bound together.
B) It is very active and can combine with a variety of other elements.
C) It comes from the chemical breakdown of specific types of rocks.
D) It is largely inert in the atmosphere.
E) The amount produced by plants roughly balances the amount absorbed by various organisms through respiration.