Arabians usually stand within 14.1 and 15.1 hands(57-61 in.) with an occasional horse above or below.
20-25 years
there is many ways to. If you want a cross all you have to do is breed the two different breeds of a horse. For ex: Arabain + any horse but not the same.
The arabain oryx can live up to 20 years
It depends of what you mean by "best at." If you mean showing Arabians for beauty and style, they will most likely excel it they are intelligent and of good temperment. But it really matters what kinds of horse it is.
saudi arabia
no
you can find the treatment in arabain countries
not u
632 AD
Well, the horse's shadow would be as big as the horse at certain times of the day...
the Caspian horse is as big and a balingoba
The Persian Gulf :)