Astronomers have detected the presence of various chemicals in deep space similar to those thought to have been synthesized in Earth's early atmosphere. The environments where those deep space molecules originated would be most likely to contain ________.

Question

Quizplus · Accepted Answer

The presence of chemicals similar to those synthesized in Earth's early atmosphere suggests that the environments where these molecules originated would be similar to early Earth. The early Earth's atmosphere is believed to have been low in oxygen, with an abundance of ultraviolet light, methane, nitrogen, and hydrogen. Therefore, option A, which describes such an environment, is the best choice.

Astronomers Have Detected the Presence of Various Chemicals in Deep