Science Stuffs

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Across
  1. 2. the most abundant form of matter in the universe, invisible to telescopes
  2. 5. all the water found on the Earth
  3. 6. living or once living
  4. 9. anything that takes up space and has mass
  5. 10. non-living
  6. 11. when nutrient levels in aquatic ecosystems rise beyond equilibrium
  7. 12. water,carbon,nitrogyn
Down
  1. 1. electrical components are connected in 2+ loops
  2. 3. all the electrical components are connected one after another in a single loop
  3. 4. the study of matter
  4. 7. a form of energy that constitutes for 75% of energy in the universe
  5. 8. converts energy into heat,light,sound