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Find a numerical value for rhoearth, the average density of the earth in kilograms per cubic meter. Use 6378km for the radius of the earth, G=6.67×10−11m3/(kg⋅s2), and a value of g at the surface of 9.
asked
Jan 8, 2020
Physics
college
1
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2
votes
118k
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Eukaryotes originated over _____ ago by endosymbiosis
asked
Oct 24, 2019
Biology
high-school
1
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3
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23.8k
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