If an electric charge is rapidly shaken up and down,

A. light is emitted.
B. an electromagnetic wave is produced.
C. electron excitation occurs.
D. sound is emitted.


Answer: B

Environmental & Atmospheric Sciences

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An increase in the severity and frequency of extreme heat can have a serious impact on human mortality in the US because

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Biological activity by plant roots or tunnelling animals tends to diminish porosity

Indicate whether the statement is true or false

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The fact that solar energy is spread over a larger area in northern latitudes helps to explain why

even though these latitudes experience 24 hours of sunlight on June 22, they are not warmer than latitudes further south. Indicate whether the statement is true or false.

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Describe two components of glacial movement

What will be an ideal response?

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