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    				| 1. | 
                                    Write a short note on invention of wheel | 
                            
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Answer»  Explanation: The earliest wheels were USED as potter's wheels. They were INVENTED in Mesopotamia about 5,500 years AGO. The wheelbarrow—a simple cart with a SINGLE wheel—was invented by the ANCIENT Greeks ⋆ ˚。⋆୨୧˚ ˚୨୧⋆。˚ ⋆⋆ ˚。⋆୨୧˚ ˚୨୧⋆。˚ ⋆  | 
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