Three
ways they where alike is they had a division of labor, they all had a huge
usage with water, and they believed in gods. Three ways they were different was
that they all had their own writing, they had their own certain gods, and they
had different systems of ruling.
i had this on one of my TGA's, so i hope this helps
The highest in the caste system are the Brahmins.
Answer: I think this is the case, because despite there being an abundance of water on Earth. Clean and purified water in some countries is hard to come by, and distribution is meager.