What is the drainage density of a 100 mi2 drainage basin with 25 miles of stream, running through three rivers?
A) 0.25 mi. B) 33.333 mi. C) 25 mi. D) 4 mi. E) 3 mi.
A
Environmental & Atmospheric Sciences
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Famine is a regular event in the dryland Sahel region of
A) Australia. B) Central America. C) Africa. D) southeast Asia.
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Why does the Sun get brighter with time?
What will be an ideal response?
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The U.S. government has encouraged the use of cars in part by
A) building interstate highways. B) charging high gasoline taxes. C) constructing new subways. D) protecting prime agricultural land. E) giving tax credits to automobile owners.
Environmental & Atmospheric Sciences