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আপনার পছন্দের থিম বেছে নিন।

A needle sinks in water whereas a ship made of iron floats on it because-

A. the edge of the needle is pointed.

B. the ship is flat.

C. the ship is driven by powerful engine.

D. specific gravity of the needle is greater than that of water displaced by it.

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সঠিক উত্তরঃ B. the ship is flat.

Explanation: