Answer: one of the biggest impacts are probably trading between countries. (Possibly incorrect)
Premature death in people with heart or lung disease.
nonfatal heart attacks.
irregular heartbeat.
aggravated asthma.
decreased lung function.
increased respiratory symptoms, such as irritation of the airways, coughing or difficulty breathing.
I know these are more than four reasons but these are the main ones, hope this helps! Plus mark brainly please!
The first choice is correct
Answer:
pets are important so take care of them
