Exercise
Glaciers and Ice Caps as Freshwater Reserves
Learn about the role of glaciers and ice caps as major reservoirs of Earth's frozen freshwater reserves.
Questions
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MultiChoice
Roughly what fraction of Earth's total fresh water is frozen in ice caps and glaciers?
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MultiChoice
Where are the vast majority of Earth's ice sheets located?
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MultiChoice
What forms when snowfall accumulates over many years and compresses into thick ice masses?
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MultiChoice
How do melting glaciers contribute to river systems during dry summer months?
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MultiChoice
What happens to global sea levels when land-based glaciers and ice sheets melt rapidly?
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MultiChoice
Which type of ice mass covers an entire continent, such as Antarctica?
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MultiChoice
What chunk of freshwater ice breaks off a glacier and floats in the ocean?
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MultiChoice
Why is ice less dense than liquid fresh water?
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MultiChoice
What key role do ice caps play in reflecting sunlight back into space?
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MultiChoice
Which region contains the largest single reservoir of fresh water on Earth?
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MultiChoice
What is meltwater?
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MultiChoice
How does global climate warming affect the freshwater stored in polar ice caps?