Why do metal boats float?

Because most of the space in a boat is taken up by air.

Explanation:

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Explanation:

The air that is inside a ship is much less dense than water. That's what keeps it floating! The average density of the total volume of the ship and everything inside of it (including the air) must be less than the same volume of water.

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-be a crystalline solid

- be soluble in water

-conduct electricity

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elements make up everything, and they combine to make compounds.

the answer is c