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The highest temperature that humans can survive in is around 140 degrees Fahrenheit (60 degrees Celsius) for a short period of time. Prolonged exposure to temperatures above this level can be fatal.
You'd survive just fine. The top of Mt. Everest is more than 20,500 feet above sea level.
Humans would not be able to survive in temperatures consistently above 140°F (60°C). At this heat level, the body cannot effectively regulate its temperature, leading to heat stroke and potentially death.
18000
Anyone paddling in the sea is at sea level. Anyone, who has climbed to the top of a mountain, is very high above sea level. Therefore, the height of humans above sea level is too varied to answer.
Survive, yes. Mexico city is at an altitude of over 7,000 feet above the sea level, so the altitude, in itself, is not a problem. So let's look at altitude above ground: Passenger aircraft fly at 30,000 feet. And millions of passengers fly regularly. Again, no issue. The International Space Station orbits at more than 100 MILES above the ground. Even more proof that survival at altitude is not a problem. What IS a problem is keeping humans supplied with food and water and warmth at that altitude. If you can handle that you will survive.
The highest safe decibel level for humans is around 85 decibels for prolonged exposure. Above this level, there is an increased risk of hearing damage. Sound levels above 120 decibels can cause immediate harm to hearing.
The atmoshperic pressure at 18,000 feet above sea level is 280 mm Hg.
Earth's surface above sea level is known as land. It includes all the continents and islands where vegetation grows and where humans and animals live.
someone with way too much time on their hands
We find these limestone above sea level today because when the sea level dropped and exposes coral they cannot survive so they die, leave behind a white a limestone skeleton.