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How does sound usually travel?
A An object vibrates, and those vibrations travel through the air in one direction as transverse waves.
B An object vibrates, and those vibrations carry air in one direction as longitudinal waves.
C An object vibrates, and those vibrations carry air in all directions as transverse waves.
D An object vibrates, and those vibrations travel through the air in all directions as longitudinal waves.
What is D An object vibrates, and those vibrations travel through the air in all directions as longitudinal waves.