Mars Has Sufficient Mass and a Low Enough Temperature That

question 21

Multiple Choice

Mars has sufficient mass and a low enough temperature that water molecules could exist in its atmosphere as vapour.Why does the atmosphere of Mars contain little or no water vapour?

• A)Mars formed in a part of the solar nebula that lacked oxygen.
• B)Mars formed in a part of the solar nebula that lacked hydrogen.
• C)Ultraviolet radiation breaks water molecules into less massive particles that can escape.
• D)Water molecules combine readily with chlorine to form hydrochloric acid.

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Definitions:

Long Run

The Long Run is a period in economics during which all factors of production and costs are variable, allowing for adjustment to changing market conditions.

Fixed Amount

A specific, unchanging quantity of something.

Diminishing Returns

An economic principle that states as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot increase proportionally.

Negative Returns

A situation in which additional investment or effort results in a decrease in output or performance, contrary to typical expectations for growth or improvement.