When did the caste system evolve into a four tiered hierarchy?A.) when the Aryans ruled over the region - They arrived in 1500BC and developed the grouping of people based on their status and activities in life.
Answer:
There are 3 main reasons.
1. heat from when the planet formed and accreted, which has not yet been lost.
2. frictional heating, caused by denser core material sinking into the center of the planet.
3. heat from the decay of radioactive elements.
I hope my answer helped!
Answer:
Archaeological discoveries let we as a species connect with our history: both our recent and our ancient past. Because of the emotional significance our species places on them, artifact preservation is a vital means of protecting these physical validations of our past.
Answer:
C General William Sherman
Explanation:
He performed the famous march to the sea, where he burned a lot of Atlanta.
