1. how would the speed of earth's orbit around the sun change if the earth's mass increased by 4
times?

the speed would not change.

it would increase by a factor of 4.

it would decrease by a factor of 2.

it would increase by a factor of 2.

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

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)