science

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Across
  1. 2. expressed in joules
  2. 4. the main sugar found in your blood
  3. 5. use sunlight to synthesize foods from carbon dioxide and water.
  4. 6. colorless and non-flammable gas at normal temperature and pressure.
  5. 8. H2O
  6. 10. power house of a cell
Down
  1. 1. process by which organisms combine oxygen with foodstuff molecules,
  2. 3. a plastid that contains chlorophyll and in which photosynthesis takes place.
  3. 7. is a chemical element with an atomic number of 8
  4. 9. responsible for the absorption of light to provide energy for photosynthesis.