Mariamkhan7193 Mariamkhan7193

26-05-2017
Biology

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A blue whale makes a call underwater at the same time as an elephant calls on land.how long will it take eachof these sounds to travel 3 km?

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johnsonr441 johnsonr441

26-05-2017

In Air its 343 m/s.
In SeaWater its 1522 m/s.
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