Results from the Mars Exploration Rovers Spirit and Opportunity Suggest

question 6

Multiple Choice

Results from the Mars Exploration Rovers Spirit and Opportunity suggest that liquid water

• A) has never existed in significant quantities on the surface of Mars
• B) was once plentiful on the surface of Mars
• C) is only present in the Tharsis region of Mars
• D) is present in large quantities beneath the Martian surface today

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Definitions:

Everyday Reasoning

Mundane reasoning that differs from formal reasoning in its use of implicit premises, multiple solutions, personal relevance, and possible emotional involvement.

Premises

Statements or propositions that serve as the basis for a conclusion or argument.

Wason's Four-card Task

A logical puzzle presented as a psychological experiment to study conditional reasoning and bias in decision making.

Modus Tollens

Modus tollens is a form of deductive reasoning that takes the structure: If P, then Q. Not Q. Therefore, not P.