What invention brought europe out of the dark ages? who invented it and when

folds are formed when heat and pressure is applied to the rock. the higher the temperature, the more pliable rocks become. folds are more likely to occur when the deformation caused by the compression is applied slowly. faults are defined as the displacement of rock that were once connected along a fault line.

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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.

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