Information from the way a wave propagates through the Earth interior can tell us something about the internal structure of the Earth.
a. true
b. false
Answer: a. true
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The most common triggering mechanism for mass wasting is:
a. vibrations due to earthquakes. b. a sudden influx of excessive water. c. erosion of the slope base. d. vibrations due to earthquake and a sudden influx of excessive water. e. vibrations due to earthquakes, a sudden influx of excessive water, and erosion of the slope base.
Which air mass is typically responsible for unseasonably warm and humid weather in eastern North America?
a. maritime tropical b. continental tropical c. maritime polar d. continental polar
Melting at the surface, internally, and the base, deflation, calving, and sublimation are all examples of ablation
Indicate whether the statement is true or false
A fat or oil is to a ________, as an enzyme is to a ________.
A. Protein; nucleic acid B. Carbohydrate; protein C. Lipid; protein D. Nucleic acid; carbohydrate E. Nucleic acid; lipid