Answer:
no potentail energy is if a car is at the top of a hill and is stoped
Explanation:
A contractile vacuole works just the same as the name suggests, in that it expands and contracts. The point of the contractile vacuole is to pump water out of the cell through a process called osmoregulation, the regulation of osmotic pressure. It occurs in freshwater protists, but mainly in the kingdom Protista as a whole.
Carpool to work,ride the bus,or switch to electric cars.
If I'm not mistaken, I believe the baby has a heart beat.
Answer:
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Explanation:
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