What Do Astronomers Generally Believe About the Origin of Mars's

question 74

Multiple Choice

What do astronomers generally believe about the origin of Mars's moons

• A)They formed with the planet out of the protoplanetary material.
• B)They formed elsewhere and were captured at a later time.
• C)They were ejected from Mars during its formation.
• D)They were once a single moon and a later catastrophic event broke them in two.

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Definitions:

Urban Way

Refers to the lifestyle and cultural norms prevalent in urban areas as opposed to rural settings.

Concentric Zone Model

A social model that describes urban land use in concentric circles, with the central business district at the center.

Ecological Succession

In the theory of human ecology refers to the process by which a distinct urban group moves from one area to another and a second group comes in to replace the group that has moved out.

Middle Class

A social class typically composed of individuals who have a moderate level of income, education, and occupational prestige.