Even before the proposal of continental drift, paleontologists recognized that some sort of land connection was needed to account for the identical fossil organisms found on multiple continents. which of the following was not one of their hypotheses? a) sea level fallingb) floating debris used as rafts and sea level risingc) island stepping stones, transoceanic land bridge, and floating debris used for raftsd) a chain of island stepping stonese) a transoceanic land bridge