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Across
  1. 3. This process involves the transformation of a solid directly into a gas, bypassing the liquid state.
  2. 4. This element is a major component of the atmosphere and is crucial for the formation of amino acids and proteins.
  3. 6. Cycle: This process describes the movement of nitrogen between the atmosphere, soil, and living organisms.
  4. 9. Water: This term refers to water that is found on the Earth's surface, such as in rivers, lakes, and oceans.
  5. 10. This process involves the conversion of nitrates back into nitrogen gas by bacteria, returning it to the atmosphere.
  6. 11. Cycle: This process describes the movement of carbon between the atmosphere, oceans, soil, and living organisms.
  7. 13. This process involves the conversion of ammonia into nitrites and nitrates by bacteria in the soil.
  8. 14. This process involves the transformation of water vapor into liquid water, often forming clouds.
  9. 15. This term refers to water that is stored underground in aquifers and can be accessed through wells.
  10. 16. This process involves the falling of water, in the form of rain, snow, sleet, or hail, from the atmosphere to the Earth's surface.
Down
  1. 1. This element is vital for the formation of DNA, RNA, and ATP, the energy currency of cells.
  2. 2. This element is the most abundant in the universe and is a key component of water and organic molecules.
  3. 5. This process involves the release of water vapor from plants into the atmosphere.
  4. 7. This process involves the transformation of water from a liquid to a gas, usually due to heat.
  5. 8. Cycle: This process describes the continuous movement of water on, above, and below the surface of the Earth.
  6. 12. This element is essential for cellular respiration and is a major component of the Earth's atmosphere.
  7. 14. This element is the backbone of all organic molecules and is essential for life.