I think they put flavoring in the liquid cartridges to make them more addictive. People are going to want the newer flavors because of the taste. Some people use them as coping skills or sometimes to be “trendy” or “cool”. E-cigarettes are very damaging to your lungs worse then regular cigarettes.
B or c because they both are very good answers sorry i couldn't help that much :(
Answer:Smooth muscle is called involuntary muscle because you can not control this type of muscle movement. These muscles line internal organs, blood vessels, and organs such found in the digestive and reproductive systems.
Explanation:
D because it helps to get the thing that there choking on out of them