The 10 commandments were told to Moses by god. Moses wrote down the commandments in Exodus 20.
I'm gonna have to say A. I'm not sure though. Hope this helps! Have a good day!
December 11 1936 until his death
Most of the African continent is on a high "plateau". Although it is true that African contains the largest desert in the world, the desert itself is not physically "high" in the same sense.