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Air Pollution
Air pollution is one of the major problems created by modern man. It is estimated that about 100 million tons of waste are poured into our atmosphere each year. Wastes in the form of smoke from industry, power plants, automobiles and homes; and also due to burning of fossil fuels, spread pollution into our atmosphere. Aircrafts also release large amounts of burnt or unbumt fuel into the air. You may have seen a long trail of smoke left behind by a climbing jetliner.
The burning of coal, wood, diesel oil, kerosene, petrol etc. produces the following five categories of pollutants:
i) Carbon monoxide
ii) Hydrocarbons
iii) Particulates
Explosives : As defined earlier, explosives release a large amount of gas and energy in a very short time. These are of four basic types: Mixed gases - Usually the mixture
1.Explain the importance of social stratification and the assumptions that underlie the concept. 2.Choose one influential sociological theory and explain its view of stratificat
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Coenzyme : A molecule that binds to an enzyme and is essential for its activity, but is not permanently altered by the reaction. Many coenzymes are derived from vitami
What is a covalent crystal? A covalent crystal is one in which the lattice structure is held together by powerful covalent bonds. These crystals tend not to be soluble in water
describe the factors which decide the broad area of scientific activity
what is global warming?
Define Volume of Urine - General Examination of Urine Volume: Measurement of the volume of each urine specimen passed is necessary for the conditions in which the fluid balance
Explain the Cabinet Respiration Such an apparatus is used when the respiratory muscles are paralyzed by an injury or an infection. A cabinet respirator consists of a box in wh
how do the currents produced by a 1.5V flashlight cell and a 12 V car battery compare if the resistance is the same?
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