Which of the gases listed below has accumulated in the atmosphere as a result of biological processes?

Name: Which of the gases listed below has accumulated in the atmosphere as a result of biological processes?
Brand: Quizplus
Rating: 4.7 (41 reviews)

Question

Quizplus · Accepted Answer

Oxygen is produced by photosynthesis in plants and algae, which are biological processes. Oxygen makes up about 21% of Earth's atmosphere. Argon, nitrogen, and water vapor are all naturally occurring gases in the atmosphere, but they are not produced through biological processes.

Which of the Gases Listed Below Has Accumulated in the Atmosphere