All the Following Statements About Mars Are True

question 97

Multiple Choice

All the following statements about Mars are true. Which one might have led to a significant loss of atmospheric gas to space?

• A) Mars lost any global magnetic field that it may once have had.
• B) The axis tilt of Mars is thought to change significantly with time.
• C) Outgassed water molecules are split apart, and the oxygen then reacts chemically with surface rock on Mars.
• D) Mars probably once had a much higher density of greenhouse gases in its atmosphere than it does today.

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Definitions:

TOTE Approach

A model in cognitive psychology representing the sequence of operations in problem solving: Test, Operate, Test, Exit.

Operate Phase

A stage or process in which systems, procedures, or principles are applied or enacted.

Delay Gratification

The ability to resist the temptation for an immediate reward and wait for a later, often larger or more satisfying, reward.

Immediate Sacrifices

Refers to foregoing short-term pleasures or benefits in favor of long-term goals or rewards.