Answer:
Explanation:
During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.
Answer:
i believe its B but i might be mistaken.
Explanation:
Answer:
I think the answer is C I hope you get this right, tell me if I am wrong plz
Explanation:
I have a runny nose and things are dirty.