Question

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?

Answer 1

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.