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cells store energy when:

a.) ions are released into the bloodstream.

b.) they break down sucrose to glucose and fructose.

c.) a third phosphate group is bonded to an adp molecule

d.) the third phosphate group breaks off from an atp molecule.

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

when it is at an intermediate population density

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