Severe thunderstorms

A) have, by definition, wind speeds in excess of 90 miles per hour.
B) often appear in groups.
C) typically take place on the microscale.
D) rarely last more than an hour.


Answer: B

Environmental & Atmospheric Sciences

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Density is the ratio of

A) weight to volume. B) mass to volume. C) mass to weight. D) weight to mass.

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Which of Earth's major extinctions was the most extensive, eliminating 70 percent of all terrestrial organisms and up to 95 percent of marine organisms?

A) Cambrian Explosion B) Permian Extinction C) Cretaceous Extinction D) Late Devonian Extinction

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The movement of a wave across the surface of the ocean is a movement of ________ rather than matter

A) substance B) wind C) water D) energy E) time

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Exponential growth would be represented by a ________ curve?

A. linear B. S-shaped C. J-shaped D. bimodal E. straight

Environmental & Atmospheric Sciences