Which of the following rocks is composed of the smallest sedimentary clasts?
A. shale
B. sandstone
C. conglomerate
D. breccia
Answer: A
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Muslims do NOT make up a majority of this country
A) South Africa B) Algeria C) Egypt D) Sudan E) Pakistan
Biologist E. O. Wilson proposed a list of priorities for protecting aquatic biodiversity. What is one of those priorities?
A. Decrease government subsidies for commercial fishing. B. Identify and preserve the world's aquatic biodiversity hot spots. C. Prevent the melting of arctic ice. D. Prevent ocean and freshwater acidification. E. Relocate people living in or near aquatic ecosystems.
In the United States, the three branches of government aim to act collectively. Their primary goal is to ____.
A. curb rapid and destabilizing change B. establish future priorities C. maintain oversight regulations D. implement detailed budgets E. encourage free enterprise
What two main factors contribute to the global rise in sea level?
a) carbon dioxide and excess rainfall b) thermal expansion of ocean water and increased amount of ocean water from melting ice c) thermal expansion in trenches and ridges d) thermal expansion and carbon dioxide level e) all of the above