Ice ages
A) have not occurred for several million years.
B) have not affected North America.
C) have been more severe because of plate tectonics.
D) are more severe when the continents are closer to the equator.
E) all of the above
C
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The table also shows that the linear distance separating each 1° of longitude decreases toward the poles. For example, at 30° latitude each degree of longitude is separated by slightly more than 96 km (nearly 60 miles), and at 60° latitude, the linear distance is reduced to approximately half that at the equator. For each of the following latitudes, determine the linear distance in kilometers and in miles for 15° of longitudinal arc (along a parallel):
a) 30° latitude
b) 40° latitude
c) 50° latitude
d) 60° latitude
Approximately how many people died as a result of the 1984 MIC leak from the Union Carbide plant in Bhopal, India?
a) 10-100 b) 100-1000 c) 5,000-30,000 d) More than 1 million
We study the mantle ________. Choose the phrase that does not apply.
A. using seismic waves B. using rocks that have been naturally brought to the surface C. by drilling directly into it D. using geophysics E. using numeric models
What is the basic premise of the principle of uniformitarianism? What will be an ideal response?