What did the Mars rover Opportunity discover on Mars that relates to questions about the existence of water on Mars?
A)The rover found liquid water emerging from a spring,freezing to ice.
B)The rover found ice in the soil.
C)The rover found sedimentary rocks that contained minerals that could only have formed by precipitation from water.
D)The rover found no evidence of water ever having been on Mars.

Question

Quizplus · Accepted Answer

The Mars rover Opportunity discovered sedimentary rocks that contained mineral formations that could only have been created by precipitation from water. This discovery provides evidence that water existed on Mars in the past, and supports the theory that liquid water may still exist on the planet today.

What Did the Mars Rover Opportunity Discover on Mars That