Grapheme: 'ch'

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Across
  1. 2. a continuous or prolonged dull pain in a part of one's body.
  2. 5. a practitioner of chiropractic, a system of complementary medicine based on the diagnosis and manipulative treatment of misalignments of the joints.
  3. 8. a state of disorder due to absence or non-recognition of authority or other controlling systems.
  4. 9. a sound or sounds caused by the reflection of sound waves from a surface back to the listener.
  5. 10. a spiny insectivorous egg-laying mammal with a long snout and claws, native to Australia and New Guinea
Down
  1. 1. an institution for educating children.
  2. 3. complete disorder and confusion; or in other words 5/6h
  3. 4. a particular period of time in history or a person's life
  4. 5. an organised group of singers
  5. 6. a small slow-moving Old World lizard with a prehensile tail, long extensible tongue, protruding eyes that rotate independently, and a highly developed ability to change colour.
  6. 7. branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.