Mars Appears to Have Long Branching Channels That Have the Appearance

question 32

Multiple Choice

Mars appears to have long branching channels that have the appearance of being formed by a flowing liquid. Yet we know that liquids would not stay liquid in the very thin atmosphere we have on the Martian surface? So how can we explain the channels?

• A) they were made by wind-blown dust during the great Martian dust storms
• B) they are made by plate tectonics; by plates in the crust separating
• C) Mars had a thicker atmosphere long ago when the channels formed
• D) they were formed by volcanic lava from Olympus Mons
• E) the channels are artificial, made by a race of Martians that died out

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Definitions:

Mental Representation

An internal image or representation of external reality, phenomena, or conceptual information, which forms the basis of cognition.

Proposition

A statement or assertion that expresses a judgment or opinion, in philosophy and logic, it's also seen as the meaning or content behind declarative sentences.

Analogical

Pertaining to analogy; the process of finding correspondences or logical relations between seemingly dissimilar things.

Directed Thinking

Thought that is focused, goal-oriented, and follows logical steps towards a specific conclusion.