There are several theories about what caused these ice ages. One of the most accepted theories is the Milankovitch cycles, which are periodic changes in Earth's orbit and tilt that affect the amount of sunlight reaching the planet. Other theories suggest that changes in the concentration of greenhouse gases, volcanic activity, and tectonic plate movements may have also played a role.
How should investors manage the inevitabilities of risk? What are the most powerful wealth-building...
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