4b

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Across
  1. 3. An orthopaedic surgeon
  2. 5. The fear of small things
  3. 6. A unit of power equal to one million watts
  4. 9. A group of rocks
  5. 11. Containing blood
  6. 12. To calculate
  7. 13. An environment or material in which something develop
Down
  1. 1. A lake or other body of water
  2. 2. Contrary to what is usual
  3. 4. A substance or body
  4. 7. The innermost layer of the pericarp that surrounds a seed in a fruit.
  5. 8. To put into
  6. 10. To cause something to become liked