Science

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Across
  1. 6. changes the molecular structure of rocks and soil.
  2. 8. when rocks, pebbles, or particles, composed of soil, clay, or silt, are carried from one location and left at another.
Down
  1. 1. causes rocks to crumble.
  2. 2. huge blocks of ice and snow that are found in mountains and in colder regions.
  3. 3. a chemical element with an atomic number of 8.
  4. 4. the breaking down or dissolving of rocks and minerals on Earths surface.
  5. 5. A hard substance which the Earth is made of.
  6. 7. the process in which materials are worn away and transported by natural forces such as wind or water