Which civilization created an accurate calendar between a. d. 300 and a. d. 900? the incas the aztecs the mayas the cuzco

there is no chart here so no one can answer this.

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:

if it were me, i would pick c. c is the best answer because it's basically saying go on a non-violent strike for india