Continental growth ____
A)occurs faster at passive margins
B)occurs faster along active margins
C)occurs mostly by reworked older continental material
D)occurs mostly by orogenesis
E)is currently nonexistent
B
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Which of the following terms refers to the atmosphere as shown on an upper-level chart where isotherms cross the contours and temperature advection occurs?
A. baroclinic B. barotropic C. geostrophic D. hydrostatic
Which of these Köppen climate classes is defined as an area that does not have a month with an average temperature exceeding 10 °C (50 °F)?
a. mesothermal b. polar c. tropical d. microthermal e. highland
Most alluvial fans are ________
A) in mountain canyons B) composed of poorly sorted debris C) in the centers of basins D) composed of bedrock E) aeolian deposits
Which statement is true regarding the solar heating of Earth?
A) The heating of Earth is uniform across all latitudes. B) Ice absorbs almost all of the solar energy that reaches the poles. C) At the poles, more incoming solar radiation is absorbed than is reflected. D) At the equator, more incoming solar radiation is absorbed than is reflected.