Hello There!
Caste systems were used a lot in the past. I'm not quit sure how to explain it in depth but i'd say it's a ranking of how important you are. The 'untouchables' would have to do jobs that no one else in the caste would do.
Traditionally in the caste system, untouchables perform types of jobs such as sweepers, washers and disposing dead bodies.
Hope This Helps You!
Good Luck :)
- Hannah ❤
I think it is A, hope this helped.
Plates at our planet’s surface move because of the intense heat in the Earth’s core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down. As the cooled material sinks down, it is warmed and rises again.
The kurds are a stateless minority in the middle east.