Question

methane burn with presence of oxygen

Answer 1

In the reaction, the bonds in the methane and oxygen come apart, the atoms rearrange and then re-bond to form water and carbon dioxide.

Answer 2

To burn anything the necessary things are HEAT, OXYGEN AND FUEL which is known as fire triangle when this fire triangle gets complete we get fire.
Hence, to burn methane oxygen it necessary.

Hope it helps mark me as brainliest.