EARTH SCIENCE

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Across
  1. 1. a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements
  2. 4. breaking down of rocks, soils and minerals as well as wood and artificial materials through contact with water, atmospheric gases, and biological organisms
  3. 6. scientist who studies the solid, liquid, and gaseous matter that constitutes the Earth
  4. 9. forces build up features on the surface of the Earth
  5. 11. a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action
  6. 12. geological process in which sediments, soil and rocks are added to a landform or landmass
  7. 13. the geological process in which earthen materials are worn away and transported by natural forces such as wind or water
Down
  1. 2. rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm
  2. 3. matter that settles to the bottom of a liquid
  3. 5. forces a process that lowers or tears down the surface features of the Earth.
  4. 7. an embankment for preventing flooding
  5. 8. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
  6. 10. science that deals with the earth's physical structure and substance, its history, and the processes that act on it
  7. 12. a barrier constructed to hold back water and raise its level