Question

2. Which of the following is NOT true of carbon levels in Earth's

atmosphere?
A. The composition of Earth's atmosphere has changed drastically over
time.
B.Drastic changes to the temperature of Earth's surface have
happened as a result of changes in the atmosphere's carbon levels.
C.Mass extinctions have occurred as a result of changes to the
atmosphere's carbon levels.
D.It is impossible to significantly change the carbon levels in Earth's
atmosphere.

Answer 1

C. Mass extinctions

Step-by-step explanation:

Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. ... This event seems to be the combination of massive volcanic eruptions (the Deccan Traps) and the fall of a big meteorite.