Social organizations and innovative irrigation systems were a very unique sign of the Indus/ Harappan civilization..​

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

you didn't post any options. a few things that spring is known to represent are: rebirth, birth, new life,   and life.

i think the answer is   b.