Speaking of, fire (the way we are familiar with it) only really happens on earth.
And any of the other infinite number of unknown planets with an atmosphere containing adequate oxygen.
Of course, but none known.
Oxygen, and some ongoing process to generate complex molecules to be oxidized - you need something to reduce the things that have already been burnt back into new molecules that can burn, otherwise you run out of stuff pretty quickly
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Speaking of, fire (the way we are familiar with it) only really happens on earth.
And any of the other infinite number of unknown planets with an atmosphere containing adequate oxygen.
Of course, but none known.
Oxygen, and some ongoing process to generate complex molecules to be oxidized - you need something to reduce the things that have already been burnt back into new molecules that can burn, otherwise you run out of stuff pretty quickly