Multiple Choice
What keeps the surface temperatures constant all over Venus?
A) a high level of deuterium within its atmosphere
B) a thick layer of water vapor just above the surface
C) a greenhouse effect holding in the heat
D) a slow, retrograde rotation on its axis
E) a thick atmosphere and high winds carry heat efficiently
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Studies have shown that the ice located
Q13: The excess deuterium in Venus' atmosphere indicates
Q14: The crust of Mars is much thinner
Q15: Which characteristic of Venus has led many
Q16: Phobos and Deimos are believed to be
Q18: Venus's tectonic processes seem to be vertical
Q19: Venus has many more _ than Earth,
Q20: Which statement best describes Phobos and Deimos?<br>A)
Q21: Which two rover missions provided detailed information
Q22: Describe those surface features that indicate water