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in Environmental Science by (144k points)

Excessive exposure of humans to UV-rays results in 

1. damage to immune system 

2. damage to lungs 

3. skin cancer 

4. peptic ulcers 

Which of the above is/are correct? 

(a) 1 and 2 (b) 2 and 3 (c) 1 and 3 (d) 2 and 4

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1 Answer

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by (138k points)

(c) Prolonged human exposure to solar UV radiation may result in acute and chronic health effects on the skin, eye and immune system. Over the longer term, UV radiation induces degenerative changes in cells of the skin, fibrous tissue and blood vessels leading to premature skin aging, photodermatoses and actinic keratoses.

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