What are fossil fuels, and why are they given this name?
What will be an ideal response?
Organic matter buried with sediment can convert to combustible energy. They are called fossil fuels because coal, oil, and gas are combustible energy sources.
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Secondary (S) waves have all of the following characteristics except
A) causes alternating squeezing and stretching of the material as the wave passes. B) body wave. C) arrives second at seismic stations. D) can't pass through gases and liquids.
Summertime weather forecasts for cities on the shores of the Great Lakes often contain the phrase "cooler near the lake." Explain the relevance of this phrase
What will be the ideal response?
This diagram shows a place underlain by uniform materials. Wells have been dug at A and B. Testing has shown the flow of groundwater to be 4 km/yr. If pesticides are dumped into well A, how long will it probably take before well B becomes contaminated? The vertical exaggeration on this diagram is 10x.
A. 1 year B. 2 years C. 4 years D. Never, because the pesticide will not move from A to B.
The horse is thought to have been domesticated in this area
A) North Africa B) Central Asia C) Western North America D) Southern Europe E) Russia