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1986 views	0 answers	Why is it difficult to identify smell of fruits in a fridge? updated 8 years ago by attemptnwin
1977 views	0 answers	Why is it difficult to balance a bicycle when not moving? updated 7 years ago by attemptnwin
1976 views	0 answers	Why don’t birds sitting on the power cables get electrocuted? updated 7 years ago by attemptnwin
1973 views	0 answers	What important role does the tongue play? updated 8 years ago by attemptnwin
1966 views	0 answers	What is friction? updated 7 years ago by attemptnwin