You are making another assumption that a large meteor didn't destroy everything on the planet surface. Considering we believe this happened to earth, it's not

You are making another assumption that a large meteor didn't destroy everything on the planet surface. Considering we believe this happened to earth, it's not unreasonable to think the same happened to Mars at least once. https://youtu.be/PENT_hnyO-o https://youtu.be/PENT_hnyO-o