Which change is the best example of a physical change?

1) a cookie baking
2) a paper burning
3) ice cream melting
4) a nail rusting

i need on this fast, thx!

A physical change would be 3) ice cream melting. 1) and 2) are combustion reactions, which are chemical with oxygen, and 4) is an oxidation reaction, also with oxygen. A phase change, or melting, is not a chemical change but a physical one. Therefore 3) ice cream melting is the answer

Iam not sure butch i thinnk it is ab

Adozen is 12, and your needing to calculate the weight of one medium egg, so i would do 21/12=1.75 per egg, and check your answer by doing 1.75 * 12= 21 : ) : ): ): ): ) i hoped i