What is the key difference between mechanical waves, such as sound waves, and non-mechanical waves, such as light waves?
Mechanical waves need a medium to travel through, while non-mechanical waves do not.
Mechanical waves are used for communication and other purposes, while non-mechanical waves are used for a wider range of applications.
Baroque art features strong contrasts, while Rococo art prefers more subtle transitions
Baroque art is generally larger in scale than Rococo art

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