Many are called African or Asian.
2 or 1
Avogadro's constant, about 6.022 x 1023. A mole of anything is Avogadro's constant.
6 elephants and usually 2 babies.
There are a few thousand elephants in the wild in Africa and India. Once upon a time they were in millions but due to habitat loss and extensive poaching for Ivory, their numbers have shrunk to a few...