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Question
a) What is water pollution? Name any two sources of water pollution. [2 MARKS]
b) The terms sewage, sewers, and sewerage are interlinked with each other. Explain each of them. [3 MARKS]
a) What is water pollution? Name any two sources of water pollution. [2 MARKS]
b) The terms sewage, sewers, and sewerage are interlinked with each other. Explain each of them. [3 MARKS]
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Solution
a) 2 Marks
b) 3 Marks
a) Water pollution refers to the mixing of contaminants or pollutants into the water bodies (sea, lakes, rivers, oceans, groundwater, etc) through direct or indirect discharges which causes environmental degradation and affects whole biosphere.
Sources of water pollution are: domestic waste and sewage, hot water released from cooling power plants.
b) Sewage is a mixture of wastewater coming out of homes and other places.
Sewers are pipes which carry sewage.
Sewerage is a network of sewage carrying pipes.
a) 2 Marks
b) 3 Marks
a) Water pollution refers to the mixing of contaminants or pollutants into the water bodies (sea, lakes, rivers, oceans, groundwater, etc) through direct or indirect discharges which causes environmental degradation and affects whole biosphere.
Sources of water pollution are: domestic waste and sewage, hot water released from cooling power plants.
b) Sewage is a mixture of wastewater coming out of homes and other places.
Sewers are pipes which carry sewage.
Sewerage is a network of sewage carrying pipes.
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