Рет қаралды 120
Microorganisms : Friend and Foe (part-2) | Chapter 2 | Class 8 Science | NCERT
(Vaccine; Increasing Soil Fertility; Cleaning the Environment; Harmful Microorganism; Food Preservation; Nitrogen Fixation; Nitrogen Cycle )
Microorganisms : Friend and Foe (part-1) 👇👇
• Microorganisms : Frien...
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