Answer:
In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed. The distinction between physical and chemical change is not clear cut.
Explanation:
Answer:
polarity is a description of how different the electrical poles in a molecule are. so the most likely answer is 4
I did the test and the answer is C.