Question

What is air pollution? What are some causes of it? What are some health consequences? What can be done to decrease it?

Answer 1

Air pollution: the normal composition of clean air is 78% nitrogen , 20 % oxygen , 0.934% organ 0.03% C0_2, 0.0002% methane 0.00005% Hydrogen any deviation in this composition results in air pollution therefore it can be defined as the presence of any solid , liquid and gases substances or several other substances in the external atmosphere in such a concentration that it casuses harm to human beings other living creature humanasstas and environment .
Causes:- Industries (fertilzer,cement) .,petrol refineries , automobile, aircrafts , carbon monoxide, carbon dioxide,flourocarbon ,flyash etc.
Harmful effects: Air pollution can cause problem with respiratory system , it causes asthma,bronchitis etc.
Carbon monoxide having 200 time stronger affinity to haemoglobin as compared to oxygen and it combine with haemoglobin to form carboxyhaemoglobin which reduces the oxygen carrying capacity of the blood it also causes headeche and suffocation, sulphur dioxide can cause eye irritation , damage to respiratory tract (cystic fibrosis) .
Control: use of electrostatic precipitators for removing the particulate matter (approximately 99% ) .
Proper maintainance of automobile along with the use of petrol and diesel can reduce the amount of pollutants they emits.
use of catalytic convertors are fitted into automobiles for controlling the emissions of poisonous gases.
use grow more and more trees.