The document is a report on air pollution prepared by three students for their Class 9 Health Education subject. It defines air pollution as the mixing of harmful gases and particles with air. It lists the main causes of air pollution as burning fuels, factories, industries, automobiles, and smoking. It then discusses the harmful health effects of air pollution, such as respiratory disorders, lung diseases, and early aging, caused by substances like nitrogen oxides and chlorine. It warns that high air pollution levels in the country could lead many people to get diseases, die, and make places unfit for living, while also killing many animals. Sources consulted include textbooks and online resources.
1 of 7
Download to read offline
More Related Content
Class ix
1. Prepared by :
Gaurav Rana, Neha L Puri and Ringky
Kumari.
Roll No:21, 36 and 23.
Class: 9
Subject: Health Education.
2. Air pollution is a
mixing up of
harmful gases and
minute particles
with air is called air
3. CAUSES OF AIR POLLUTION
Burning wood, coal or
oil etc.
Factories.
Industries.
Automobiles and
Smoking.
4. HARMFUL EFFECT OF
AIR POLLUTION
Substances like gaseous nitrogen oxides and chlorine affect
lungs respiratory disorders bleeding in lungs .
Chronic lung diseases ,tumours ,early ageing , etc are some of
long term exposure to air pollution.
Carbon monoxide has the property to compete haemoglobin
blood.
