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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
Explain the Orthopnoea and Tachypnoea Orthopnoea: Dyspnoea occurs even at rest in severe cardiac congestive failure. This condition is called orthopnoea. Tachypnoea: It is a
I need help with a few homework questions...We had a substitute, and I didn''t get the chance to finish reading the chapter.
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Define Inzmunoglobulin D - classification of antibodies Present on surface of B lymphocytes, along with IgM plays a role in Ag recognition.
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Procedure : Steps 1 to 3 and step 5 are demonstration steps and will be performed by your counsellor. Observe these steps carefully. 1. The cotton plugs/caps of the test tubes,
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