2points
identify the characteristic of gravity that is incorrect.
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a. it makes astronauts weightless.
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b. it keeps us from floating into outer space.
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c. it holds things together.
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d. the acceleration is constant near the surface of the earth.
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An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

Which lists the organs in the correct order as food passes from the mouth to anus?