Chain Crosswords Short Nature Hard — Set 6

Hard 15×15 Set 6
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2
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4
5
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7
8
9
Across
  1. 1. A word related to science
  2. 2. Diffusion of water through a membrane
  3. 3. A word related to science
  4. 5. Preserved remains of ancient life
  5. 7. Slow-moving river of ice
  6. 8. A word related to science
  7. 9. Device for controlled nuclear reactions
Down
  1. 1. Large molecule essential for life
  2. 4. Solid with ordered atomic structure
  3. 6. Pure substance on periodic table