Do Bodies Even Decompose on Mars?

There's gong to be a lot of death on mars. And guess what? It makes zero sense to haul those bodies back to earth. By the time the body gets back your your you will be dead rigthre's nobody to send the body back to, right? Right? You just we there just be some poor shmuck is receiving all the dead bodies from mars, like there's literally nowhere to put these. What do i doso we ne another planet for this planet's dead bodies?"