Air pollution

Basic Science

ENVIRONMENTAL POLLUTION

Pollution occurs when pollutants contaminate the natural surroundings; which brings about changes that affect our normal lifestyles adversely. Pollution is the introduction of contaminants into the environment that cause harm or discomfort to humans or other living organisms, or that damage the environment which can come in the form of chemical substances, or energy such …

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PHE (Primary Classes)

Air Pollution

Air is made unsafe for breathing when it contains unpleasant odour from fåeces, dirt, poisonous gas and other rubbish. When air is polluted, it causes diseases or germs to spread to people. This can cause cough, small pox, chicken pox, tuberculosis (TB) and measles.   Polluted air can also cause suffocation. If people suffering from …

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Basic Science

Air and Noise Pollution

AIR POLLUTION Air pollution is when unwanted chemicals, gasses, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth. Various Causes of Air pollution The burning of fossil fuels Sulfur dioxide emitted from the combustion of fossil fuels like coal, petroleum and other factory combustibles …

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Biology

POLLUTION: DEFINITION. EFFECTS, CAUSES, SOURCES AND CONTROLS

POLLUTION: DEFINITION. EFFECTS, CAUSES, SOURCES AND CONTROLS What is pollution? This is the introduction of foreign material, poisonous compounds and excess nutrients or energy to the environment in harmful proportions. Any such substance is called a pollutant.   Effects of Pollution on Human Beings and other Organisms Effects and Control of causes of Pollutants in …

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PHE

ENVIRONMENTAL POLLUTION

Environmental Pollution is the release of contaminated and harmful substances and materials into the surroundings which affect living things negatively. Pollution occurs to air, water and land. Pollution is the contamination of fresh and pure air, land and water with impurities. It is the release of unwanted substances into the surrounding.   Pollution is undesirable …

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