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Physiology Test Question

In dry air at 20 °C, sound waves propagate at a speed of __________.

	(A) 126 meters per second (m/s)
	(B) 230 meters per second (m/s)
	(C) 343 meters per second (m/s)
	(D) 892 meters per second (m/s)
	(E) 1,484 meters per second (m/s)

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Posted: Sunday, October 18, 2015

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