Chain Crosswords Medium Chain Nature Easy — Set 4

Easy 11×11 Set 4
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7
Across
  1. 1. Mixture of minerals plants grow in
  2. 4. Plant embryo in a protective coat
  3. 6. A word related to science
  4. 7. A word related to science
Down
  1. 2. A word related to science
  2. 3. Hard tissue in the skeleton
  3. 5. A word related to science