best knowledge

12345678
Across
  1. 3. what gives us air?
  2. 4. what do u breath
  3. 6. what is next to earth 24/7?
  4. 8. what cant u survive without
Down
  1. 1. whats important to drink everyday
  2. 2. what do u say when u meet someone
  3. 5. what do u say when u love someone ?
  4. 7. was this crossword hard?