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Question
Read the following statements.
A. A few rivers in India are like sewers.
B. Some cattle may die by feeding on plastic bags.
C. Installation of wastewater treatment plants has cleaned up most of the rivers in India.
D. Sludge is effectively utilized in the production of biogas.
Select the option which includes all correct statements.
A. A few rivers in India are like sewers.
B. Some cattle may die by feeding on plastic bags.
C. Installation of wastewater treatment plants has cleaned up most of the rivers in India.
D. Sludge is effectively utilized in the production of biogas.
Select the option which includes all correct statements.
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Solution
The correct option is B A, B and D
Wastewater treatment plants are for cleaning water for human consumption and is not helpful in cleaning the entire river. A lot of rivers in India have become sewers due to the dumping of industrial wastes by factories and other forms of water pollution. Due to less amount of grazing space and increase in the usage of plastic, cattle die due to consumption of plastic. Anaerobic decomposition of municipal wastewater sludge produces biogas.
Wastewater treatment plants are for cleaning water for human consumption and is not helpful in cleaning the entire river. A lot of rivers in India have become sewers due to the dumping of industrial wastes by factories and other forms of water pollution. Due to less amount of grazing space and increase in the usage of plastic, cattle die due to consumption of plastic. Anaerobic decomposition of municipal wastewater sludge produces biogas.
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