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The graph above shows the changes in air pressure at a certain location as a function of time as caused by two different sounds. The pressure changes caused by Sound 1 are shown in blue, and by Sound 2 are shown in red.

Which of the following conclusions can be drawn from the graph?


Sound 1 has a higher frequency than Sound 2.


Sound 1 has a larger wavelength than Sound 2.


Sound 1 carries more energy than Sound 2.


Sound 1 travels faster than Sound 2.

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