PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoFill in the blanks:
1. Oil is an example of.
2. Salmonella paratyphi is athat is found as an impurity in sewage.
3. The wastewater that is released by the homes, offices,
Industries, hospitals and various other sources is known as.
Industries, hospitals and various other sources is known as.
4. The point where the sewage is disposed is known as the.
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