Unfortunately, people with lower self esteem are more likely to abuse drugs than the rest of their peers... They don't feel worthy and feel useless to the world.. So the answer is d.
Cystic fibrosis - causes a mucus build up on the lungs, that coats the breathing tubes
A tonsillectomy is a procedure to treat infection, and inflammation of the tonsils. This could be the first sentence :)
Answer:
they are not effective against viral infections such as a cold or flu.
