screening test

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Across
  1. 2. A robot with a human appearance
  2. 3. energy,force
  3. 5. a unit of electrical resistance
  4. 8. without it things remain theories
  5. 9. man of steel
  6. 12. source of salt
  7. 13. The branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.
  8. 15. a contractile form of tissue which animal use to effect movement
  9. 17. smallest unit of living matter
  10. 18. the address of a World Wide Web page
Down
  1. 1. Search engine optimization
  2. 2. a sanction of an item;approbation
  3. 4. carbon monoxide
  4. 6. water of liquid finally suspended in air
  5. 7. exercise carried out by scientists
  6. 10. Used as an Internet search engine
  7. 11. a symbol in an alphabet
  8. 12. A set of connected things or parts forming a complex whole
  9. 14. 5280 feet
  10. 15. the sole natural satellite of earth
  11. 16. a visible indication