Weather radar is capable of measuring precipitation for several hundred kilometers in all directions because [INSERT FIGURE 7-26. NO CAPTION]
A) precipitation rarely occurs in one direction only
B) the curvature of the earth is minimal over these short distances
C) the radar transmitter/receiver rotates
D) there are usually a few dozen rain gauges within this distance
Answer: C
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What will be an ideal response?
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What is a moment magnitude based on?
A. Amount of energy released B. Amount of ground shaking C. Changes in the chemical composition of rocks D. Human observations