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Questions and Answers
What happens exactly at the snow-line on lofty Swiss mountains?
What happens exactly at the snow-line on lofty Swiss mountains?
- The quantity of snow that falls exceeds the quantity that thaws in a year.
- The quantity of snow that falls is less than the quantity that thaws in a year.
- The quantity of snow that thaws is negligible compared to the yearly snowfall.
- The quantity of snow that falls is equal to the quantity that thaws in a year. (correct)
How do mountains with perpetual snow keep from growing higher due to continual snowfall?
How do mountains with perpetual snow keep from growing higher due to continual snowfall?
- Snow heaped on the summits has no outlet to escape.
- Excess snow is balanced out by frequent avalanches.
- The snowline keeps moving upwards as mountains grow higher.
- Superabundant snow on mountain heights gets away by means of glaciers. (correct)
What is a common feature between liquid rivers and glaciers mentioned in the text?
What is a common feature between liquid rivers and glaciers mentioned in the text?
- Both are formed by snow thawing directly.
- Both exist on mountain heights.
- Both have solid banks. (correct)
- Both flow into the ocean.
How are the mighty snowfields of Switzerland similar to any gentle range of English hills?
How are the mighty snowfields of Switzerland similar to any gentle range of English hills?
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