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15238 views	0 answers	What are the various uses of conifers? updated 7 years ago by attemptnwin
3776 views	0 answers	Why walking uphill is a greater task than walking down hill? updated 7 years ago by attemptnwin
6234 views	0 answers	What is meant by pathogen and pathogenic diseases? updated 7 years ago by attemptnwin
3642 views	0 answers	How does a wall lizard get rid of its tail? updated 7 years ago by attemptnwin
12436 views	0 answers	How does a dog become mad? updated 7 years ago by attemptnwin