What is the substance that gives soil a blackish to brownish appearance?

A. Iron oxide
B. Salts
C. Clay minerals
D. Organic matter


Answer: D

Environmental & Atmospheric Sciences

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Which part of the plate theory from the 1960s was disproved by GPS technology?

A) plate velocity B) relative plate motion C) nature of the plates D) tectonic action

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The tradition of urban design that has imposed more uniformity on the big cities of the world than any other is

A) the Beaux Arts style. B) the Modern movement. C) the International Style. D) the Global Village style. E) McDonaldization.

Environmental & Atmospheric Sciences

Identify problems that result from lack of sanitation

What will be an ideal response

Environmental & Atmospheric Sciences

What do we mean by "diversity of interactions"?

What will be an ideal response?

Environmental & Atmospheric Sciences