Geography 101 Crossword Puzzle

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Across
  1. 3. processes that either amplify or reduce climatic trends, toward either warming or cooling
  2. 5. also known as climate forcing
  3. 7. portions of the crust that are entirely below sea level
  4. 9. a biome also known as the northern needleleaf forest
  5. 12. a conceptual model to help understand the theory of habitat fragmentation
  6. 15. sharp release of energy that occurs at the moment of fracture
  7. 16. also known as the Circum-Pacific belt
  8. 17. any process that wears away or rearranges landforms
  9. 18. weathering by dissolution of limestone landscapes creates this; also known as dolines
  10. 19. scientific study of sequences dealing with superposition
  11. 20. species that are introduced to a new environment by humans
Down
  1. 1. also known as mechanical weathering
  2. 2. calcium carbonate (CaCO3) mineral deposits that are found in caves and caverns
  3. 4. large,stable,terrestrial, or aquatic ecosystem
  4. 6. structure of Earth's crust containing an opening that magma rises from
  5. 8. technique that uses the atomic structure of chemical elements to determine chemical composition of oceans and ice masses
  6. 10. theory on how the building mountains and seismic activity causes earthquakes
  7. 11. most common chemical sedimentary rock
  8. 13. processes that operate at Earth's interior, driven by heat and radioactive decay
  9. 14. decomposition of a chemical compound by reaction with water