You didn't hear something well. ask about it. example- kilimanjaro is 5.895 m high. 1) mont blanc is 4.807m high. 2)the mount elbrus is 5.642 m high.3) the volga river is 3.530 km long.4) the nile river is 6.670 km long. 5) the mount everest is 8.848 m hing.6) the amazon river is 6.437 km long. 7) the mississippi river is 6.420 km long.