Increased asthmatic attacks in certain seasons are related to

$A$: Emphysema is a chronic obstructive pulmonary disease,causing irreversible distension and loss of elasticity of the alveoli.
$R$: Emphysema is preventable if chronic exposure to smoke (cigarette and others) and pollutants is avoided.

$A$ person at $15000$ feet above sea level develops certain symptoms in $8-24$ hours. These symptoms are:

In which of the following disorders do the alveoli get filled with fluid, leading to severe problems in respiration?

Name the chronic respiratory disorder caused mainly by cigarette smoking in which alveolar walls are damaged.

What is the minimum concentration and partial pressure of $CO$ in the alveoli that is dangerous to humans?