Ineed ! can you tell me about the difference between physical and chemical i have a dba in a few minutes and i don't ! use easy to understand answers 'cause i'm a little under the weather.

Physical changes only affect the appearance of an object. While chemical happens to the chemical make up and cannot be reversed. Think of it this way- physical change is like hair tint , it wears off- chemical is like permanent hair dye, it's permanent.

Iam pretty sure that the answer is d