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Question
In developing countries _____ of the sewage is let into rivers.
In developing countries _____ of the sewage is let into rivers.
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Solution
The correct option is D 95%
In the last few decades, there has been a
tremendous increase in the demand for fresh water. Approximately 20% of the world population lacks safe
drinking water and nearly half the world population lacks adequate sanitation, this problem is acute in
many developing countries ,which discharge an estimated 95% of their untreated urban sewage directly into
surface water. The
surface water bodies rivers, streams, ponds and lake, which are the most important sources of water for
human activities are unfortunately under sever environmental stress.
In the last few decades, there has been a tremendous increase in the demand for fresh water. Approximately 20% of the world population lacks safe drinking water and nearly half the world population lacks adequate sanitation, this problem is acute in many developing countries ,which discharge an estimated 95% of their untreated urban sewage directly into surface water. The surface water bodies rivers, streams, ponds and lake, which are the most important sources of water for human activities are unfortunately under sever environmental stress.
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