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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
To feel the 'spring' of air Secure a bicycle pump and place your thumb over the finish of the outlet tube. Next push the piston in forcibly and rapidly let go of it. What happe
Why are peaty and marshy soils highly acidic? The acidity is due to decomposition of organic matter under anaerobic conditions and formation of sulphuric acid.
Explain two types of transferases ? a) Alanine aminotransferase Alanine + a-ketoglutarate ↔ glutamate + pyruvate b) Aspartate aminotransferase (AST) Asparate + a-ketogl
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what is signal transduction?
Navigation and Astronomy: As we have said earlier, by the edd of the Middle Ages, trade on land and over the seas was being Sken up on a big scale. By the fifteenth centur
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