Рет қаралды 59
Synthetic Fibres and Plastics (part-1) | Chapter 3 | Class 8 Science | NCERT
(Introduction; What are Synthetic Fibres ? ; Types of Synthetic Fibres )
Microorganisms : Friend and Foe..👇👇
• Microorganisms : Frien... (part-1)
• Microorganisms : Frien... (part-2)
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