Related Clues:

• Demeanour
• Of which 78% is nitrogen
• Substance breathed in
• Major cause of inflation?
• Blimp filler
• Something inspired
• Michelin content
• It's a mixture mainly of oxygen and nitrogen
• Alternative to rail
• __ guitar
• You breathe it in
• Force that's music to the ear
• Sky
• Word with "raid" or "strike"
• Hair dryer?