Which is a true statement about the neolithic revolution?

the neolithic revolution caused a decrease in population.

the neolithic revolution was also called the pastoral revolution.

the neolithic revolution took place over thousands of years.

the neolithic revolution happened relatively quickly, in just five hundred years

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

he 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.

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