I am not alive but I grow. I don't have lungs but I need air. What am i?

Why this works

This riddle plays with the characteristics of fire, using a clever twist on what it means to "grow" and "need air." While fire is not a living organism, it can expand and spread, much like a living thing does. Additionally, fire requires oxygen to sustain itself, even though it doesn't have lungs like a living creature. The riddle cleverly blurs the lines between life and non-life, inviting you to think beyond traditional definitions!