What is kerogen?
A. The active ingredient in kerosene
B. A waste product from the production of oil from oil shale
C. A fuel supplement added to diesel oil
D. The useful ingredient in oil shale
E. Sludge from sewage plants
Answer: D
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What kind of heat pump uses the constant temperature of the earth as a source of heat in winter and as a store for heat in the summer?
A. geothermal B. solar C. wind D. hydropower E. biofuel
New species arise as the result of two processes, geographic and reproductive isolation. Explain how these processes work together to produce new species.
What will be an ideal response?
Which of the following is a description of a hydrated salt?
A) a salt which is insoluble in water B) a salt which is soluble in water C) a salt with no water incorporated in its crystal structure D) a salt with water incorporated in its crystal structure
Should scientists be encouraged to make short term earthquake predictions even though the current methods for such predictions are very unreliable?
What will be an ideal response?