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medlineplus.gov | ||
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publications.americanalpineclub.org
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| | | | | High-altitude illness (HAI) occurs when climbers are exposed to the lower baro-metric pressure associated with elevation gain, resulting in insuffi... | |
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new.nsf.gov
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| | | | | This page provides information about the Presidential Early Career Awards for Scientists and Engineers. | |
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www.epa.gov
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| | | | | Learn how to safely handle chemicals, the effects of certain toxins, which substances are controlled or managed, and safer alternatives. | |
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briantissot.com
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| | | Whales are the most marine of all creatures but were derived from land animals -- the walking whales. | ||
