#140 - Earth Sciences 4 - Rocks and Minerals


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The next tutorial in the earth Sciences series covering the subject of Rocks and Minerals and including Minerals, The Hardness Scale, Igneous Rocks, Sedimentary Rocks, Metamorphic Rocks and Weathering. The same format as earlier disks with questions and multiple choice answers. Perfect for students and fascinating for others as a way to improve your general knowledge. If you have followed the entire series, you might soon be ready for Mastermind!