The material in a glacial moraine is

A) sorted by weight.
B) sorted by size.
C) unsorted.
D) Both A and B.


Answer: C) unsorted.

Environmental & Atmospheric Sciences

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Freed from slavery, most African Americans in the 19th century

A) migrated fairly uniformly to the Northeast and West. B) stayed in the south where many worked as sharecroppers. C) migrated primarily to the Northeast. D) migrated in two separate waves to the Northeast by a boom in jobs. E) where mandated to stay in the south.

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The spatial term "Middle East"

A. is the term preferred by the Islamic world. B. was first coined by a 7th century Islamic geographer. C. includes the countries of the Maghreb. D. is considered Eurocentric and insensitive.

Environmental & Atmospheric Sciences

Most forms of modern agriculture have led to a net increase in topsoil on farmlands

Indicate whether this statement is true or false

Environmental & Atmospheric Sciences

The type of rock shown in this photograph is

A. sandstone. B. breccia. C. conglomerate. D. shale.

Environmental & Atmospheric Sciences