Space exploration reveals that volcanism cannot occur on other planets or the moons of giant planets in the solar system.
a. true
b. false
Answer: b. false
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What element is oxidized in the following equation and what element is reduced? Sn2+ + 2 Ag ? Sn + 2 Ag?
A. The tin ion, Sn2+, is reduced, while the silver, Ag, is oxidized. B. Both the tin ion, Sn2+, and the silver, Ag, are oxidized. C. Both the tin ion, Sn2+, and the silver, Ag, are reduced. D. The tin ion, Sn2+, is oxidized, while the silver, Ag, is reduced.
Which of the following is a valid statement about how rocks respond to stress?
A) If the stress is very high, the rock will be unchanged. B) Stress can cause a rock to be displaced, but not rotated. C) If a rock has strained, then it has changed its size or shape. D) A rock can be displaced or strained but not both at the same time.
For many people on Earth, religion serves as a source of
A) key values and beliefs. B) ethnic identification. C) material culture. D) literary tradition. E) popular culture.
The warm period on Earth about 7,000 years ago is known as the ____________________
Fill in the blank(s) with correct word