midterm C10 Minerals：Naturally occurring inorganic solids (solids that do not come from or consist of organisms);

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Across
  1. 3. Remains or imprints of ancient organisms preserved in rocks or tree resins
  2. 4. layer of the Earth between the outer core and the crust
  3. 5. Pieces of rocks or other matter from space that have landed on the Earth
  4. 6. of clay, silt, sand, minerals and rock fragments that come from the weathering and erosion of rocks
Down
  1. 1. organic part of soil
  2. 2. occurring inorganic solids (solids that do not come from or consist of organisms)
  3. 4. molten rock under the Earth's crust