Which of the following planets has a significant amount of oxygen in its atmosphere?
A) Earth
B) Mars
C) Mercury
D) Venus
Correct Answer:
Verified
Q43: The effects of a small meteor impact
Q44: Oceans of water currently exist on
A)Mars.
B)Venus.
C)Mercury.
D)Earth.
Q45: The only planet in the solar system
Q46: Which of the following is the accepted
Q47: Temperatures in the solar system generally
A)increase away
Q49: The longest and deepest canyon in the
Q50: How can planetary surfaces be dated?
A)crater counting
B)isotopic
Q51: The terrestrial planets are
A)Earth,Uranus,Venus,and Pluto.
B)Earth,Mars,Saturn,and Mercury.
C)Mars,Venus,Earth,and Mercury.
D)Mars,Venus,Saturn,and
Q52: Water is present on Mars as
A)polar ice
Q53: Which ingredient is considered vital for the
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