Biology

The correct answer is: D.All of the above.

Air pollution can have a wide range of harmful effects on human health, including:

A.Difficulty breathing: Air pollution can irritate the lungs and airways, causing conditions like asthma, bronchitis, and other respiratory problems. People may experience shortness of breath, coughing, and wheezing.

B.Making sick people even sicker: Individuals who already have respiratory or heart conditions, such as asthma, COPD (chronic obstructive pu...