Glaciers are found on every continent except Australia. This interactive feature provides an introduction to these moving streams of ice, which cover about 10 percent of Earth's land surface and hold between two and...
All of Earth's living things depend on healthy, life-sustaining ecosystems for their survival. But continued human population growth, combined with the planet's limited supply of natural resources, might generate...
In this activity, students will become familiar with topographic maps and their uses, as well as developing an awareness of their local surroundings in terms of geographic and geological features. The activity is...
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