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

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences