Pneumonia can occur if a person does not use his lungs to breathe deeply very often.

That statement is False

Pneumonia occur when there's an inflammation in the air sacs of your lungs. Usually happen if there's to much liquid that enter your lung.

The most common cause of Pneumonia is if the air humidity in your living place is too high or when you're drowning.

The answer would be d. most contraceptives are effective when used properly