'a' and 'ar' words

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Across
  1. 5. A very large ocean wave caused by an underwater earthquake or other disturbance.
  2. 7. The science or practice of making maps.
  3. 8. Relating to the study of past human life and cultures through artefacts and remains
  4. 10. A group of elected people who make laws for a country.
Down
  1. 1. Extreme hunger caused by a lack of food
  2. 2. To express ideas clearly and effectively.
  3. 3. Showing little enthusiasm or effort
  4. 4. The design and construction of buildings
  5. 6. A person who prepares and provides medicines.
  6. 9. Very important or primary; can also refer to a type of bird.