The magnetic poles are displaced about ________ degrees from the geographic poles.
A. 5½
B. 11½
C. 30½
D. 16½
E. 45½
Answer: B
Environmental & Atmospheric Sciences
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a. crop rotation b. fertilizing with compost c. fertilizing with green manure d. fertilizing with animal manure e. irrigation
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The Industrial Revolution began in
A) the late 1500s. B) the late 1600s. C) the late 1700s. D) the late 1800s. E) the late 1900s.
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The upper part of a thunderstorm cloud is normally ____ charged, and the middle and lower parts are ____
a. negatively; neutral b. negatively; positive c. positively; positive d. positively; negative e. positively; neutral
Environmental & Atmospheric Sciences
The world's population is now more than
A. 20 million B. 700 million C. 70 billion D. 7 billion E. 70 million
Environmental & Atmospheric Sciences