Which of the following is NOT one the layers of the Earth based on its chemical composition?
a. Core
b. Atmosphere
c. Crust
e. Mantle
Answer: b. Atmosphere
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The great scramble for African colonies occurred
A) just after the Napoleonic wars. B) during Portugal's domination of the world-system. C) as Spain was colonizing the America's. D) in the three decades preceding World War I. E) in the two decades after World War II.
"Glaciers have no defined cleavage planes, but instead flow plastically." Evaluate this statement
A) This statement is true, but it only applies to the upper part of a glacier. B) This statement is false. Ice has cleavage similar to the mineral mica, and ice behaves like mica would under the same pressure. C) This statement is partially true. The flow of glaciers is very slow and more similar to gravel than to plastic. D) This statement is false. Glaciers do flow plastically, but also have well-defined cleavage planes similar to mica.
Groundwater results mainly from which process in the hydrologic cycle?
A) transpiration. B) interception. C) infiltration. D) runoff.
What conditions must apply for Anderson’s classification of tectonic stress to be strictly valid?
What will be an ideal response?