when sulfur dioxide sulfur & nitrogen oxides are released into the air.
Around 60 million international travelers visited the united states in 2010
Jean Jacques Rousseau from his book The Social Contract (1763)
Answer:
The shape that could be used to describe the structure of social classes in early civilizations is the pyramid. In the absence of social classes the whole system will break down, and the social classes provide basis for a successful civilization.
The uppermost class was of the Brahmins, followed by Kshatriyas, Vaishyas, Shudras, Untouchables and last came the Adivasis.
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