Where does water vapor in the air come from?

The person that was right about the chemical change is ElsaChemical changes can be regarded as one that takes place when  chemical reactions occur and there is  formation of new product such as chemical elements or compounds . Physical change are one that doesn't result to formation of  new chemical substances . When someone eat because digestion occur due to breaking down of the food by enzymes  into the small molecules the and as result of this new product is formed such as urine , energy and others

Therefore, Elsa is right.

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