Why were tenements constructed as tall, narrow buildings? A. to make them less expensive to build B. to make it easier for residents to get to work C. to conform to safety codes D. to allow better living conditions E. to make them easier to heat and air condition

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.

explanation: