If melted, the ice now known to be on Mars would represent water to cover the entire planet to a depth of
A) around 11 meters
B) a few centimeters
C) several kilometers
D) less than a millimeter

Question

Quizplus · Accepted Answer

Recent research has shown that there is a vast amount of water ice on Mars, estimated to be equivalent to a global layer of water of around 11 meters deep if it were to melt. This suggests the possibility of Mars having a significant amount of liquid water in the past and potentially even presently in underground aquifers.

If Melted, the Ice Now Known to Be on Mars