4. The function of outer ear is to sound waves. 5. Noise becomes painful to the ears at dB. 6. Frequency determines the of a sound. 7. on the roadside and elsewhere can reduce noise pollution. 8. and are two important properties of sound. 9. Sound is caused by a source that 10. Infrasonic sound has frequency 20 Hz.
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A member of the Lythraceae family, pomegranate fruit has a smooth, leathery, red to pink skin surrounding the edible arils. These arils are the edible part of the fruit and are its seeds surrounded by sweet, juicy pulp. The seeds can also be used for planting.
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