Short Answer
_______________ is a network of canyons 4000km long and up to 600km wide on the surface of Mars.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q32: The atmosphere of Venus is very dry.
Q33: The surface rocks on Venus are similar
Q34: Why are there no small craters on
Q35: How does Venus release its interior heat?<br>A)
Q36: How have scientists mapped the surface features
Q38: Mars has _ but it is hidden.
Q39: Why is Venus's atmosphere hotter than Mercury
Q40: Almost all geological features on Venus have
Q41: How did Mars get its two moons?<br>A)
Q42: Excess atmospheric _ indicates that Venus once