1. The Structural Parts of the Earth
A small portion of the water in the hydrosphere is fresh. ... Most of Earth's fresh water, however, is frozen. Ninety-seven percent of Earth's water is salty. The salty water collects in deep valleys along Earth's surface. ... Water near the poles is very cold, while water near the equator is very warm. ...
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- Approx Pages: 6
- Grade Level: High School