An object is moving across a surface, but it does not gain or lose speed. Which best describes the object’s force? The net force is positive.
The net force is zero.
The positive force is greater than the negative force.
The negative force is greater than the positive force

water is used to store them because it would keep the radiation from getting out in the open and causing harm to the workers

answer: i would say b.

explanation:

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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