Question

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Answer 1

beneficial vitamin D synthesis harmful can cause eye or skin cancer and also skin burns

Answer 2

the binifit is the sunlight can synthesize vit.D
and the harm is the UV can cause cancer or make dimerization of our DNAs

Answer 3

one beneficial effect on exposure to sunlight is that the early morning sunlight contain vitamin D which can be used by humans to build bones. the harmful effect is that it contain ultra violet rays which can burn the skin.