Blake and sandra are having a rummage sale. blake drags 3 boxes a distance of 10 meters each. he exerts a force of 20 newtons on each box. sandra drags 4 boxes a distance of 12 meters each. she exerts a force of 15 newtons on each box. blake takes 2 minutes to complete his work. sandra takes 4 minutes. blake does work than sandra. blake’s power is than sandra’s power. (hint: use w = fd and .)

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis