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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
a) Name the primary minerals present in an igneous rock. a ) Quartz (SiO2), feldspars, amphiboles, pyroxenes and micas are the most common primary minerals in igneous rock
Question 1 It is the job of operations managers to convince the stakeholders that the investment in plant and equipment is going to enhance the value of the investments already he
which is the probable principal source of nitrates and phosphate a. the water cycle b. nitrogen fixation c. bacterial decay d. change in environmental temperature e. changes in lig
Requirements Autoclave Microbial cultures - liquid/solid Disinfectant Spatula Disposable bags
what is the implication of the first law on humans
Explain the Pancreas The pancreas is a gland that lies immediately below the stomach, surrounded by the loop of duodenum. The bulk of the pancreas is composed of pancreatic exo
how many types of heterotrophic nutrition in plants?..
What ways can igneous rock form two ways? Igneous rocks are formed when melted material crystallizes, e.g. from magma.
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
Simple hydraulic press The principle of the hydraulic press is illustrated by the following model. Half fill a cylindrical jar with water. Pour melted paraffin wax on the su
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