Saddle-like depressions formed by two eroding cirques are known as ________
A) eskers. B) cols. C) arêtes. D) drumlins. E) horns.
B
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Chicago is characterized by a ________ climate
A) subarctic B) polar C) humid subtropical D) severe midlatitude
You have two X-rays taken, and the time of exposure was limited. According the U.S. Nuclear Regulatory Agency, your radiation exposure for the X-rays was
A) below any level to cause harm. B) minimal, but does pose a slight health risk. C) harmless, because medical radiation is not the same dangerous energy as radiation from nuclear energy. D) a different type of radiation that does not cause biological damage.
All other factors being equal, a slope facing away from the Sun will tend to have
A. slower soil formation than the slope in direct sunlight, primarily because physical weathering processes will be slower. B. faster soil formation than the slope in direct sunlight, primarily because physical weathering processes will be accelerated. C. faster soil formation than the slope in direct sunlight, primarily because chemical weathering processes will be accelerated. D. slower soil formation than the slope in direct sunlight, primarily because chemical weathering processes will be slower.
What would the temperature of the Earth be if there were no atmosphere?
A. 15°C B. 545°C C. -19°C D. 0°C