What was the main requirement for the development of life on Earth?
A) Exposure to sunlight
B) Absence of free oxygen
C) Simple sugars
D) Energization from electrical sparks

Question

Quizplus · Accepted Answer

In laboratory experiments, gases and compounds thought to be similar to Earth's early atmosphere were exposed to light, heat, and electrical sparks; the result was the production of simple sugars, small proteins, and nucleotides. The absence of free oxygen seemed to be the key factor. Information can be found in the section Life Probably Originated in the Ocean.

What Was the Main Requirement for the Development of Life