Multiple Choice
The early atmosphere on Earth included
A) methane (CH4) .
B) oxygen (O2) .
C) ammonia (NH3) .
D) carbon dioxide (CO2) .
E) helium (He)
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q36: The mantle of the Earth can be
Q37: How are asteroids different from comets?
Q38: If only Newton's laws of motion affected
Q39: The impact collision theory of the Moon's
Q40: If the nebular hypothesis is correct, then
Q42: Transfer of material from space to Earth<br>A)
Q43: Which planets are the "gas giants"?
Q44: How is the nebular disk related to
Q45: How important are volcanoes to the creation
Q46: What is the current hypothesis that explains