. Write the answers in brief:
i) What is deforestation?
ii) Name the various steps that are used to purify water for city supply.
iii) Write any 2 steps about how we can control water pollution.
Answers
Explanation:
i)Deforestation refers to the decrease in forest areas across the world that are lost for other uses such as agricultural croplands, urbanization, or mining activities. Greatly accelerated by human activities since 1960, deforestation has been negatively affecting natural ecosystems, biodiversity, and the climate.
ii)Coagulation and Flocculation. Coagulation and flocculation are often the first steps in water treatment. ...
Sedimentation. During sedimentation, floc settles to the bottom of the water supply, due to its weight. ...
Filtration. ...
Disinfection.
iii)DO NOT pour fat from cooking or any other type of fat, oil, or grease down the sink. ...
DO NOT dispose of household chemicals or cleaning agents down the sink or toilet. ...
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