A. atmospheric pressure is higher at the surface than at the higher altitudes
B. speed of sound is less than that of light
C. temperature of the atmosphere decreases with altitude
D. atmospheric density decreases with altitude

Correct Answer: Option B

B. speed of sound is less than that of light

SEE ALSO  The velocity of sound in air at 15°C is 35400ms¯¹. Calculate the velocity at 47°C

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