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Beneath our Feet: The Four Layers of Earth - St. Louis Public Schools

The Four Layers of Earth by Kelly Hashway We all call the Earth home, but did you ever think about what our home is actually made of? The planet is ... Super Teacher Worksheets - www.superteacherworksheets.com. The final layer is the inner core, which is 900 miles deep. Scientists believe the inner core is a solid ball of