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OpenStudy (anonymous):
Assuming Biological substances are 90 percent water and the density of water is 1.0 x 10^3 kg/m^3, estimate teh masses (density multiplied by volume) of the following. a. a spherical cell with a diameter of 1.0 um (volume = 4/3 pi(r^3) b. a fly, which can be approximated by a cylinder 4.0 mm long and 2.0 mm in diameter (volume = 1pi(r^2)
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