What type of reaction occurs when gasoline is burned in an engine? A. Exothermic, because energy is released into the surroundings
B. Endothermic, because energy is released into the surroundings
O C. Exothermic, because energy is absorbed from the surroundings
D. Endothermic, because energy is absorbed from the surroundings

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

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?