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Welcome to Knowearth.com
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This website serves as an "Earth Information" source and learning center for the planet's atmosphere, geosphere, hydrosphere, and biosphere.
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The Matterhorn, Swiss Alps (2011)
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Tsunamis, volcanic eruptions, earthquakes, hurricanes, tornadoes, lightening, and other topics of interest for residents of Earth.
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 | Why are most tsunami hazards in the Pacific Ocean? | | | Which volcano in the Cascades is the most dangerous? | | | What is the difference between a hurricane and a typhoon? |
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