| http://www.w3.org/ns/prov#value | - Highlights the need to understand and protect the Earth's delicate balance.@enScientists explain current theories about the formation of the earth's continents, oceans, and climate, and examine the earth's relationship to the sun and other planets.@enScientists explain current theories about the formation of the earth's continents, oceans and climate, and examine the earth's relationship to th
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