2-Earth’s Frozen Water - PowerPoint PPT Presentation

2 earth s frozen water n.
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2-Earth’s Frozen Water

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  1. 2-Earth’s Frozen Water • Glacial formation • At the bottom of deep snow, pressure increases which will cause the bottom layer to turn to ice.

  2. Glacial movement • Advancing • Glaciers are always moving down hill

  3. Retreating • Glaciers retreat when they don’t accumulate as much snow as in previous years.

  4. Importance of glaciers • Glaciers feed a constant supply of melt-water into the river systems of the Prairies.