Approximately how much of the Earth's water supply is saline?
A) 43% B) 20% C) 98% D) 67% E) 100%
C
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Storms leaving the east side of the Icelandic Low and Azores High will be steered to the
A. northeast if mainly under the influence of the Azores High. B. southwest if mainly under the influence of the Azores High. C. northeast if mainly under the influence of the Icelandic Low. D. southeast if mainly under the influence of the Icelandic Low.
Ability to break off body parts and regrow them later is an adaptation to cope with which of the following adverse conditions of the rocky intertidal zone?
A) Difficulty finding mates B) Drying out during low tide C) Lack of space or attachment sites D) Predators E) Strong wave activity
When a galvanometer is calibrated to read current it is
A. a voltmeter. B. an ammeter. C. an ohm meter. D. none of the above
Approximately what percentage of the electricity produced in the United States comes from nuclear energy?
A) 5% B) 15% C) 35% D) 55%