Clastic sedimentary rocks are formed
A. from the broken-up fragments of preexisting rocks.
B. at very high temperatures because the grains must be fused together to make rock.
C. from chemicals dissolved in solution.
D. All of the choices are correct.
Answer: A
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The first discovery of oil and gas in the North Sea was in
A. the Netherlands B. Germany C. Norway D. the United Kingdom
What was the Dust Bowl that occurred around 1930?
A vegetation that turns brown and shows drought resistant characteristics in the summer (high sun) season characterizes which climate?
a. humid subtropical b. Mediterranean c. marine west coast d. tundra e. subarctic