He gives her a look. "Of course I can." Either by sucking the oxygen away from it, but that could lead to him actually swallowing the flames and despite the fact it won't hurt him, just no, or he can pat it out with his hands. Which is a much better idea.

Clark gently pushes Chloe back behind him and off to the side, and then concentrates on a small patch of brush a few feet away. It's not long before little flames start to appear.