Calculate the diameter of a discrete particle whose terminal settling velocity is 1.044 x 10-2m/s. the particle density is 2.650 kg/m3 and the water temperature is 15°c. assume stokes' law applies and that the density of water is 1 000 kg/m3. nb: the dynamic viscosity of water at 15°c is 1.235 x 10-3 pa. s

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

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tony (lordcaos066)

b. examine and describe cells

10 years is the answer

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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