Frozen water
NASA
Test your knowledge of the many varieties of frozen water and how these icy realms are connected to climate change.
Answer questions like ...
- During the last ice age, glaciers covered almost one-third of all the land. What percentage of the land is covered by glacial ice today?
- Today glaciers exist only in the higher latitudes; there are no glaciers in Earth's tropics.
- Which of the following is losing the most ice every year?
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