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The highest frequency sound human ears can usually hear is about what? 1. 20 Hz. 2. 10,000 Hz. 3. 20,000 Hz. 4. 30,000 Hz.
The highest frequency sound human ears can usually hear is about 20,000 Hz.
Expert answered|debnjerry|Points 32027|
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Asked 6/6/2012 7:35:58 PM
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BOTH equatorial diameter and number of moons are characteristics of the gas giants which decrease with increasing distance from the Sun.

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