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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
Fertilizers pollute our ____system when____fertilizers run off from_____and animal______runs off from______and________.
characters of chordates
to study the presence of aroma taste,ph value and tannic acid of diffrent tea leaves
To study the relation between volume and pressure of air Get a rubber bung or 'door stop' which just fits in a narrow glass jar or measuring cylinder. Attach it to the lowe
An experiment with a floating candle Put a nail in the lower end of a candle. The nail should be just the right weight to make the candle float with its top a little above the
Gloves : Gloves should be worn when transferring toxic, radioactive and carcinogenic compounds, irritants and corrosive liquids. The practice of wearing rubber gloves continuously
Define Haemorrhagic or Blood Loss Anaemia The body replaces plasma within 1-3 days after a haemorrhage, but this leaves a low concentration of red blood cells. In chronic bloo
Objectives After studying this unit you should be able to: 1. explain the significance of the fire triangle, 2. list common causes of fire, 3. describe the purpose
Describe the structure of the stomach. How is it modified to carry out its functions? How does It compare to that of the fetal pig?
Question 1 Discuss the efforts introduced to manage of air and water pollution Question 2 Comment briefly on agricultural practices in Arid zone Question 3 Anal
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