Reading Comprehension (RC) | Sound travels through the air in waves from a central source much as

[align=justify][box_out][box_in] Sound travels through the air in waves from a central source much as ripples from a pebble dropped into a pond travel across the surface of the pond, diminishing in intensity as they move away from the source. The speed at which sound waves travel in the air is affected by the air temperature, but for most purposes we can consider the speed of sound to be relatively constant at 1,100 feet per second. The distance between the peaks of the waves is the wavelength of the sound just
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