The Surface of Ropa of Europe

Bubbles could move down through the ice, carrying these little bubbles of oxygen with them. Now, it would take thousands of years. We got fo fortes been around for ions. F wic doesn't matter right yet. As long as it would be like a conveyer belt of oxygen from the surface down into the ocean and delivering quite a substantial amount of oxygen into the ocean waters beneath europa. If that's the case, then cimo cynther ocanisms are off to the races!