All posts by mynursingapp

Air: Composition of air Airborne diseases Air pollution and its effect on health Control of air pollution and use of safetymeasures. ✫ Define air pollution: Definition:Air pollution refers to the presence of foreign bodies…Smoke, noxious gases, dust, vapors, particulate matter in the atmosphere which are harmful to humans, animals, plants, buildings and monuments.✫ Explain cleaning mechanism of air: flow of air Rain Oxygen and ozone sunlight plant life✫ Discuss appropriate