How is a terminal or recessional moraine from a continental ice sheet typically expressed in the landscape?
A. as a series of gently curved ridges
B. as teardrop-shaped hills
C. as hills that are smooth on one side and rough on the other side
D. as a series of small depressions, many of which are lakes
E. as a series of jagged ridges in the mountains
Answer: A
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A "London-type" smog is characterized by:
A) low humidity and high levels of industrial pollution. B) the combination of smoke and fog on very humid days. C) the photochemical production of pollutants. D) high concentrations of fine particulate matter on sunny days.
How is the precautionary principle used in environmental health? What is an alternative philosophical approach?
What will be an ideal response?
An mP air mass in the U.S. moves eastward over the northern Great Plains of the U.S. The air mass is likely going to be modified to a(n)
A. It will stay as an mP air mass. B. cT air mass. C. cP air mass. D. mT air mass.
Volcanic bombs have a twisted, streamlined shape, which indicates that they ____
A)cooled quickly underwater B)were formed from ropy, viscous mafic flows C)were erupted as globs of magma that cooled and solidified during their flight through the air D)have high amounts of dissolved gases and low amounts of sodium E)were erupted gently from a shield volcano and cooled as they moved downslope