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Title: High altitudes are a stress on human populations because there is less oxygen available to breathe. ... Post by: joxley3 on Feb 10, 2018 High altitudes are a stress on human populations because there is less oxygen available to breathe.
a. True b. False Title: High altitudes are a stress on human populations because there is less oxygen available to breathe. ... Post by: EMA on Feb 10, 2018 Answer b
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