The Primary Cause of Mechanical Exfoliation Is

question 27

Multiple Choice

The primary cause of mechanical exfoliation is:

• A) the removal of shrubs, grasses, and other plants from the rock's surface.
• B) the thermal expansion of water contained within fractures in the rock.
• C) the removal by erosion of overlying rock and soil.
• D) abrasion by rock particles contained in streams, wind, or glaciers.

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Definitions:

Black Soldiers

African American military personnel who have served in the various conflicts throughout US history, often facing segregation.

Cheering Throngs

Large crowds of people who gather and loudly express support or enthusiasm for events, typically sports or public figures.

Military Service

The act of serving in the armed forces of a nation, either as a compulsory duty or by choice.

War Department

A historical term that referred to the United States government department responsible for military affairs before it was restructured as the Department of Defense in 1947.