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Context MattersPlay
Altitude is used differently when talking about flying objects vs mountains. SlideThe mountain's altitude rarely changes, but a helicopter's altitude can vary.
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Relative ReferencePlay
Altitude is not absolute; it's relative to sea or ground level. SlideThe hiker's campsite was at an altitude of 2,000 feet above sea level.
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Effects on BodyPlay
High altitudes can affect breathing and cause sickness due to thinner air. SlideMany climbers face altitude sickness when ascending too quickly.