Part pf the current atmosphere of Earth is believed to be
A) the remnants of the original gas from the solar nebula attracted by the protoplanet.
B) the result of the melting and vaporizing of the glaciers during the last ice age.
C) composed primarily of hydrogen and helium.
D) composed of gases that were baked from the rocks sometime after the planet formed.
E) the result of a collision between the sun and another star.

Question

Quizplus · Accepted Answer

The current atmosphere of Earth is primarily composed of gases that were released from volcanic activity and other geological processes after the planet formed, rather than remnants of the original solar nebula or other sources.

Part Pf the Current Atmosphere of Earth Is Believed to Be