nine students applied to go on a college field trip but there is only room in the van for seven of them. how many groups of seven could be chosen to go on the field trip?
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Osmosis (/ɒzˈmoʊ. sɪs/) is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.
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