What set into motion a radical transformation from composition the early atmosphere to what we currently have?
A) The appearance of life converting energy using photosynthesis
B) The increase of severe volcanic activity
C) The impacts of asteroids
D) The production of acid rain

Question

Quizplus · Accepted Answer

The appearance of life converting energy using photosynthesis caused a radical transformation of the early atmosphere. Early life forms released oxygen as a waste product of photosynthesis, gradually increasing atmospheric oxygen levels and leading to the development of the modern atmosphere.

What Set into Motion a Radical Transformation from Composition the Early