People Development & Environment ugc net -BOD-COD & Water Borne Diseases LECTURE-3 - vTomb

People Development & Environment ugc net -BOD-COD & Water Borne Diseases LECTURE-3

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HELLO GUYS.
I M HERE TO DESCRIBE UGC/NTA NET PAPER 1 UNIT NO .9 PEOPLE DEVELOPMENT & ENVIRONMENT^S TOPIC BOD/BIOCHEMICAL OXYGEN DEMAND,COD/CHEMICAL OXYGEN DEMAND.
WATER BORNE DISEASES TYPHOID, DYSENTERY ETC.
DENGUE IS WATER BORNE DISEASE OR NOT?
PEOPLE DEVELOPMENT & ENVIRONMENT UGC/NTA NET PAPER 1
E-MAIL [email protected]
PHONE NO.9828895995

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