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3 votes
Environmental stresses at high altitudes include A. increased temperatures. B. lower humidity. C. decreased UV radiation. D. quick ascent.

User Nutters
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2 Answers

3 votes
I think it's B and C because a and c don't make sense because if there is higher temperatures it'll be more sun so you'll need sunglasses which protect you from UV radiation. It won't make sense so pick B or C.
User John Moon
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5 votes
its either a or c .....
User Fboes
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