Odd-Ends: 01

123456789
Across
  1. 2. an armoured mammel
  2. 5. a lung discease
  3. 8. a natural disaster named Melissa
  4. 9. for certain the right answer
Down
  1. 1. a large citrus fruit with a tough rind
  2. 3. the simplest alkane
  3. 4. considered the father of geometry
  4. 6. the second noble gas on the periodic table
  5. 7. a plant with showy purple flowers