If you think of it endothermic is when there is energy needed for the reaction to occur and exothermic is when the reaction releases energy
Um okay so I'm not 100 percent sure so I asked Google and it said the answer is genes.
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History is the study of the past in all its forms. Philosophy of history examines the theoretical foundations of the practice, application, and social consequences of history and historiography. It is similar to other area studies – such as philosophy of science or philosophy of religion – in two respects.
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