Which of These Processes Did NOT Contribute to Mars Losing

question 29

Multiple Choice

Which of these processes did NOT contribute to Mars losing its atmosphere about two billion years ago?

• A) stripping by the solar wind
• B) the breakup of molecules by solar ultraviolet radiation
• C) some gases freezing and being buried under the surface
• D) the greenhouse effect

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Definitions:

Reinforcement Unit

A measure or instance of reinforcement, which can be positive or negative, used to increase the likelihood of a desired response or behavior.

Primary Reinforcer

A stimulus that is naturally rewarding and satisfies a basic biological need, such as food, water, or sleep.

Food

Any nutritious substance that people or animals eat or drink to maintain life and growth.

Pain

A complex sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage.