the fission is made of land
reproductive_fission is cell_division. multiple_fission is reproductive_fission. natural_nuclear_fission_reactor is uranium. fissionable_material is nuclear_fuel. nuclear_fission is spewing. prokaryotic_fission is cell_division. fission is asexual_reproduction. making_fission_weapons is making. prokaryotic_fission is reproductive_fission. controlled_nuclear_fission is nuclear_fission.