__________ in our atmosphere is a direct consequence of the emergence of life.
A) Carbon dioxide
B) Water vapor
C) Nitrogen
D) Oxygen

Question

Quizplus · Accepted Answer

The emergence of oxygen in our atmosphere is a direct consequence of the emergence of life, specifically photosynthetic organisms. These organisms release oxygen as a byproduct of photosynthesis, leading to a gradual increase in atmospheric oxygen levels over time.

__________ in Our Atmosphere Is a Direct Consequence of the Emergence