Which statement best describes the rotation of a planet? a. the earth's orbit around the sun b. the time it takes the planet to spin once on its axis c. the time it takes the planet to complete a path around the sun d. the time it takes the planet to align with the sun and moon

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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