Worried that your cat may be ambushed by a mountain lion, you build a fence around your backyard that is 4 m tall. If a mountain lion approaches the fence and leaps at an
angle of 45°, what must its initial speed be to reach the top of the fence?

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

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