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This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

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Mutations involving a gene can similarly be harmful as the chromosomal mutations. This tutorial looks at the mutations o..

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There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

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While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..