Answer:
A genetic disorder, in which the lungs and the digestive system get clogged with mucus.
Cystic fibrosis is caused by a change (mutation) in the gene
or inherited
Explanation:
Some examples of having a positive influence on avoiding tobacco abuse could be to have p<span>ositive influences. such as having parents or caring family members. you could also reduce the peer pressure around you by hanging out with people that you know are not into certain things such as tobacco. you could also have refusal skills.</span>
