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First make sure it can float. Then make sure that the materials used will not corrode too quickly, especially in salt-water. It would be advantageous to have a sail or a rudder. Shelter from the sun and a place to store food & water are essential.

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10y ago
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11y ago

Physical properties could include a density less than water, enough strength to not bend or break when a load is placed on it, & insolubility in water. Chemical properties could include not reacting with water or not burning

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11y ago

malleable, magnetic, luster, and nonflammable

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Q: What are the physical and chemical properties of the raft that would be important to ensure your safety?
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