What is the best description of sound waves?

a. a source vibrates up and down, causing air molecules to move up and down perpendicular to the direction the wave is transmitted
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b. a source vibrates back and forth, causing air molecules to move back and forth in the same direction that the wave is transmitted.

c. a source vibrates up and down and back and forth, causing air molecules to move in a circular motion as the wave is transmitted.

d. a source ejects a ring of high-velocity air molecules that travel from the source to a listener.

On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281