Photosynthesis Crossword

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Across
  1. 1. layer Protects the Earth from ultraviolet light
  2. 3. Light energy is converted to this type of energy
  3. 4. This can affect the process of photosynthesis
  4. 7. Where plants get carbon dioxide from
Down
  1. 2. What plants give off
  2. 3. Where the process takes place
  3. 5. energy What the sun contributes to photosynthesis
  4. 6. dioxide levels What photosynthesis reduce on the Earth
  5. 8. Where plants get their water from