Respiratory illnesses in developing countries are most likely to be caused by

Question

Quizplus · Accepted Answer

Suspended particulate matter, such as dust and smoke from cooking and heating fuels, is a major contributor to respiratory illnesses in developing countries. This is due to poor ventilation and inadequate living conditions, which lead to high levels of indoor air pollution. Formaldehyde, asbestos, and ozone are also harmful pollutants, but they are less common causes of respiratory illnesses in developing countries. Cigarette smoke is a major cause of respiratory illnesses worldwide, but it is not specific to developing countries.

Respiratory Illnesses in Developing Countries Are Most Likely to Be