Multiple Choice
_________ in our atmosphere is a direct consequence of the emergence of life.
A) Carbon dioxide
B) Water vapor
C) Nitrogen
D) Oxygen
E) Helium
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q19: Each halogen atom, such as chlorine, fluorine,
Q20: The presence of gases like carbon dioxide
Q21: In the stratosphere of the Earth's atmosphere,
Q22: For the first 1 billion years of
Q22: The primary atmospheres of the terrestrial planets
Q25: If you found absorption rising from _
Q26: Earth's sky is blue because:<br>A) blue light
Q27: The best way to look for life
Q28: According to the figure shown below, approximately
Q78: Earth has roughly _ times more atmospheric