Which of the following are the products of the reaction of a metallic oxide with an acid?
A) a metallic ion + H2(g)
B) a metallic ion + H2O(l)
C) solid metal + H2(g)
D) solid metal + H2O(g)
B
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The three major types of plate boundaries are ____________________, ____________________, and
____________________. What will be an ideal response?
The half-life of carbon 14 is _________ years
a. 5,730 d. 48.8 billion b. 40,000 e. 704 million c. 4.5 billion
What is a cone of depression, where is it found, and what causes it? Why can large cones of depression be a serious problem?
Why does subsurface mining have less of an environmental impact than surface mining?
A. Subsurface mining disturbs less than one-tenth as much land. B. Subsurface mining does not produce any water pollution. C. Subsurface mining does not produce acid mine drainage. D. Subsurface miners are not exposed to air pollution. E. Subsurface mining is guaranteed to produce fewer waste products.