What Significant Evidence Is There for the Idea That Large

question 463

Multiple Choice

What significant evidence is there for the idea that large quantities of water once flowed on the planet Mars?

• A) a network of relatively straight canals linking polar and equatorial regions
• B) clouds and frost that formed above and around the Viking spacecraft
• C) frozen, dust-covered lakes inside ancient craters
• D) deep, winding canyons and flood plains

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Definitions:

Analgesic

A type of medication designed to relieve pain without causing loss of consciousness.

Making Inferences

The process of drawing a logical conclusion based on evidence and reasoning rather than from explicit statements.

Constipation

A condition characterized by difficulty in passing stools or an infrequent passage of hard, dry stools.

Medications

Substances used in the diagnosis, treatment, or prevention of disease, usually administered to modify or control specific physiological processes.