If the process of photosynthesis had never evolved on Earth, this planet would
A)only contain anaerobic organisms.
B)have no land and be primarily ocean.
C)have no water and be dry land.
D)be very similar to the way it is today.
E)have no oxygen and thus no life.

Question

Quizplus · Accepted Answer

Photosynthesis is responsible for producing oxygen in the Earth's atmosphere. Without it, only anaerobic organisms, which do not require oxygen, would exist.

If the Process of Photosynthesis Had Never Evolved on Earth