Arlo puzzle for n and m

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Across
  1. 2. Confusing one hundred with gravesite (7)
  2. 5. United nations atom fusion (5)
  3. 7. Acidity surrounding each copyright stone fruit (5)
  4. 8. Daring to cross our ovals (8)
  5. 9. Pierced bachelor. Fair! (8)
  6. 11. Mystical, fanatical group in opportunity class (6)
  7. 14. Video game profession is not yours (8)
  8. 15. Innovative mining (14)
Down
  1. 1. dog shouts at tree (4)
  2. 3. Endless rest going south on empty candy street (6)
  3. 4. Small-scale study disturbs big roomy coil (12)
  4. 6. Street car (7)
  5. 10. Caesar's words found in wet tuna (2,2)
  6. 12. Laud corn mixed into witches pot (8)
  7. 13. Spacewalk (4,4)