Multiple Choice
The primary atmospheres of the planets are made mostly of
A) carbon and oxygen.
B) hydrogen and helium.
C) oxygen and nitrogen.
D) iron and nickel.
E) nitrogen and argon.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q44: Using the Doppler effect data for a
Q45: The Moon probably formed<br>A) out of a
Q46: If the entirety of a collapsing interstellar
Q47: Once a planetesimal is large enough, it
Q48: The figure shown below illustrates the changing
Q50: According to the conservation of angular momentum,
Q51: In the figure shown below, the direction
Q52: The borderline between the most massive planet
Q53: What are some limitations of the radial
Q54: The primary atmosphere of Earth consisted of