A region of magnetic force, called the ________ surround Earth.
A. magnetic poles
B. magnetic force
C. magma field
D. magnetism
E. magnetic field
Answer: E
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Which of the following correctly describes the equinoxes?
A) They occur in June and December. B) The length of daylight at the Arctic and Antarctic Circle is 24 hours. C) Days and nights are equal in length in all parts of the world. D) The Sun's vertical rays are striking either the Tropic of Cancer or the Tropic of Capricorn.
What physiographic region is rich in minerals from its geological age?
A) Canadian Shield B) Hudson Bay Lowlands C) Great Plains D) Interior Lowlands E) Volcanic Islands
Water not found in oceans accounts for ________ percent of the world's total water
A) 0.25 B) 2.8 C) 28 D) 56 E) 74
During the summer thaw season in periglacial regions, the mass movement of soil regolith downslope is called
A) slump. B) gelifluction. C) fall. D) slide. E) mudflow.