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Lesson Planet
"God made dirt, so dirt don't hurt!" In fact, dirt is soil, which is an amazingly dynamic material that we cannot live without! Dig into the depths of soil development, topography, and layers with this PowerPoint. The photos are fuzzy, but the content and presentation are just right for your middle school geologists. It shouldn't take much time to replace the fuzzy photos, certainly less than creating a valuable presentation from scratch!
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