If photosynthesis were to disappear on Earth,
A) the atmosphere would become less dense.
B) oxygen would disappear from the atmosphere.
C) the atmosphere would become hotter.
D) nitrogen would disappear from the atmosphere.
E) the amount of water vapor in the atmosphere would decrease.

Question

Quizplus · Accepted Answer

Photosynthesis is responsible for producing oxygen as a byproduct. Without it, oxygen levels in the atmosphere would eventually decrease significantly.

If Photosynthesis Were to Disappear on Earth