Aperson could float most easily in water that has which characteristic? warm fresh low mass low freezing point

The correct answer is - low freezing point.

The water that has low freezing point is water that has greater density and also contains salt, which in practice are the saline waters, oceans, seas, saline lakes. In order for someone to float more easily on the water, the water needs to have greater density, and vice versa, if the water has lower density then the person will not be able to float that easily and will have to put more effort into it. Since the saline waters have greater density, they are the ones that enable for a person to float more easily. The salt they contain, also gives these waters an advantage when it comes to freezing, as the temperature needs to be lower then the temperature needed for freezing the freshwater.

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