Question

What is the most common cause of emphysema?

O infections
O genetics
O diet
Osmoking

Answer 1

The main cause of emphysema is long-term exposure to airborne irritants, including: Tobacco smoke. Marijuana smoke. Air pollution.

Step-by-step explanation:

Answer 2

Smoking

Step-by-step explanation:

The main cause of emphysema is smoking and long lasting exposure to airborne irritants like air pollution , tobacco smoking . hope i helped,