The discovery of _________ minerals on Mars indicates that there was once water present at the surface.
A) sulfate
B) silicate
C) oxide
D) carbonate
Correct Answer:
Verified
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
Q54: Which of the following statements about the
Q56: Which of the following planets has the
Q57: The first spacecraft to land on another
Q58: Mars is also called the Red Planet
Q59: The Mars rovers are also called the
Q60: Which list shows the correct order of
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