Which of the following materials would best to drill into for a good supply of groundwater?
A. granite
B. sand and gravel
C. shale
D. salt
E. All of these choices are correct.
Answer: B
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The "Velvet Divorce" separated
A. East Germany from West Germany B. France from Belgium C. The Czech Republic from Slovakia D. Croatia from Serbia
Explain how incinerator ash can become toxic when the initial material that is incinerated is not toxic.
What will be an ideal response?
This is an example of a
A) positive feedback. B) negative feedback. C) boundary condition. D) proxy indicator.
For a forecast to show skill it must
a. be better than one based on persistence or climatology. b. be accurate to within 2°C of the predicted temperature. c. be accurate for over more than 90 percent of the forecast area. d. use the analog method of forecasting. e. use a probability.