Tag: business organisation and correspondence

Water pollution and land contamination, it's the quantity (or concentration) of a chemical in the air that makes the difference between "harmless" and "pollution." Carbon dioxide (CO2), is present in the air around you at a typical concentration of less than 0.05 per cent and breathing it in usually does no harm (you breathe it out all day long); but air with an extremely high concentration of carbon dioxide is toxic and could kill you in a matter of minutes. Since Earth's atmosphere is very turbulent many of us live in windy countries air pollution will often disperse relatively quickly.

Haze refers to the accumulation of smoke, dust, particulate matter and other dry particulates in the atmosphere. The formation of haze reduced visibility and it generally occurs in an area which is farther from the source of smoke and dust. 

• Environmental pollution is the release of chemical waste that causes detrimental (causing harm) effects on the environment. Environmental pollution is often divided into water pollution, air pollution, and soil pollution.
• Environmental pollution can be controlled by Least use of fossil fuel, The effluent of factories should be treated before discharge into the surrounding environment and By using more biodegradable products.
• So, the correct answer is 'All the above'.

Large amounts of DDT are released into the air and on soil or water, when sprayed on crops and forests to control mosquitoes and other insects. Also, DDT may enter the atmosphere when it is evaporated from contaminated water and soil. DDT in the air may then be deposited on land or surface waters. This cycle of evaporation and deposition may be repeated many times. As a result, DDT causes an undesirable change in the atmosphere. 

There are many contaminants that contaminate the natural ecosystem. This leads to destruction of natural environment. This is called as pollution which disturbs the natural ecosystem.