We Have Direct Evidence for the Recent Existence of Water

question 22

Multiple Choice

We have direct evidence for the recent existence of water on the surface of which terrestrial object?

• A) Mercury
• B) Venus
• C) Mars
• D) Ganymede
• E) Callisto

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Definitions:

McCormick Reaper Works

A historical manufacturer of agricultural equipment, known for inventing the mechanical reaper, which revolutionized farming.

National Labor Unions

Labor organizations that represent workers from various industries across the country, advocating for broad labor rights and policies.

Rail Industry

The sector of the economy dedicated to the operation of rail transportation, including companies that operate trains and manage rail infrastructure.

Labor Organizations

Groups formed by workers to promote and protect their rights and interests, including trade unions.