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Why huge glaciers of ice remain in sun for years but not melt whereas ice cubes taken out from refrigerator melt within a few minutes?
Wiki User
∙ 11y ago
First of all, icebergs are relatively quite bigger than an icecube, which slows down the melting process considerably.
Also, the icebergs are surrounded by freezing cold water (which is also why icecubes last longer in water than out in the open). Plus these icebergs are at the extremities of the Earth, where the sun has already lost most of its heat before it reaches the iceberg. Another thing is that these icebergs are white, so they refract the light a lot better (which is why white cars are cooler than black cars, even when left out in the sun for the same amount of time).
Hope this answered your question, but I'm not a scientist.
Wiki User
∙ 11y ago
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It's really the entire atmosphere, not just the stratosphere, which is involved in the greenhouse effect. Carbon dioxide in the atmosphere, at any altitude, has the effect of retaining heat that would otherwise be radiated to outer space at night. The planet gets warmer as a result, and that causes glaciers to melt and the sea level to rise. I should point out that while lots of glaciers have melted, so far the sea level has only risen by a small amount. The largest glaciers, in Antarctica, remain frozen. If they melt, things are going to get very interesting.
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How much of Alaska is covered with snow all year round?
Only high in the mountains and on glaciers does it remain snow covered.
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4 Hours and 55 Minutes.
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