Dissolving the sugar cube in water is a physical change. It doesn't alter the sugar's chemical structure like burning it or breaking it down with acid.
Answer:
The answer would be 4. just yourself
Explanation:
If you only have yourself for support then theres no system in place
Answer:
I believe it is B. Darrells cellp hone keeps ringing while he talks to his nurse
Explanation:
Childeren are given vaccinations <span>to develop antibodies against various diseases.</span>