Find out all about Earth, including the types of rock on earth and how they are formed, the longest river and smallest mountain, earthquakes, volcanoes, the water cycle, and how we can really count the grains of sand on our planet.
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Find out all about Earth, including the types of rock on earth and how they are formed, the longest river and smallest mountain, earthquakes, volcanoes, the water cycle, and how we can really count the grains of sand on our planet.
Read Less
