In short, because the UV rays damage skin cells, which increases the risk of a mutation possibly leading to skin cancer.
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Answer:
By monitoring changes in the population of a specific indicator species, scientists may draw conclusions about changes in a specific pollutant's levels. In addition, this method of pollution measurement demonstrates the impact of pollution on vulnerable species.
Explanation:
Overload, progression and specificity are the three basic principals of training that are the foundation for developing a successful personal fitness program.
<span>According the the Big Bang Theory, the universe was once a very hot and hostile place</span>
