Answer:Boiling water is a physical change, as it rearranges molecules but does not affect the internal structures. Boiling water forces the water molecules away from each other as the liquid changes to vapor. In a chemical change, new chemical substances are created or formed. Advertisement. Physical changes affect the state of an item, and a chemical change happens at a molecular level.
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Answer:
I believe the correct answer is:
C. competition
The answer will be 70 pascal as pressure =.F upon area
I believe its hydrogen bonding
