There are places in america and other parts of the world where herds of wild horses live, well-adapted to the environment. if mules are so much better adapted to harsh environments than either horses or donkeys, why have there never been populations of wild mules?

simple mules are a mix of hourse and donky and are born infertle they cant BREED.

Tornadoes form in unusually violent thunderstorms when there is sufficient (1) instability and (2) wind shear present in the lower atmosphere. Instability refers to unusually warm and humid conditions in the lower atmosphere, and possibly cooler than usual conditions in the upper atmospher