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Subhana’llah: Scuba (IMAGES)

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info-pictogram1 The speed of sound in water is 1,435 m/sec – nearly five times faster than the speed of sound in air. The average depth of the Atlantic Ocean, with its adjacent seas, is 3,332 m; without them it is 3,926 m. The greatest depth,8,381 m, is in the Puerto Rico Trench.