STEM

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Across
  1. 2. Formal system that expresses computation by variable binding and substitutions ;the prefix is the 11th letter of the Greek alphabet
  2. 3. Created an incandescent illuminating object
  3. 6. Secretes hormones
  4. 7. Variable that indicates an angle. The 8th letter of the Greek alphabet
Down
  1. 1. Has direction and magnitude
  2. 4. discovered in 1953 by Watson and crick
  3. 5. tile discovered in 2022 by David smith