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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
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Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
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To separate a mixture of hard candies nd marbles the most efficient method would be
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Which statement best describes the rotation of a planet? a. the earth's orbit around the sun b. the...
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