What is the source of much of water in geothermal features such as geysers and hot springs?
A) Precipitation
B) Water vapor from magma
C) Melting glaciers
D) Subterranean lakes
Answer: A
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Complete the following nuclear equation:?? ? 
Rn + 
He
A.
 Rn |
B.
 At |
C.
PoD.
RaE. none of the above
Dealing with current transportation problems of cities involves dealing with all of the following EXCEPT
A. restricting highway construction to discourage automobile use. B. disrupting communities to build highways and train tracks. C. air pollution from automobiles. D. providing parking for automobiles.
If a factory in the Czech Republic is releasing pollution into the Elbe River, which flows northwest to the North Sea, that pollution will almost inevitably make its way downstream
Which of the following countries will be impacted that pollution downstream? A) Slovakia B) Bulgaria C) Austria D) Germany
Which of the following is true as a student slides down a water slide?
A) kinetic energy decreases B) potential energy increases C) total energy increases D) none of the above