According to evolutionary theories of emotion,what accounts for the diversity of non-primary emotions that people experience

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Evolutionary theories propose that there are a few primary emotions that have adaptive functions, such as fear, anger, sadness, and joy. However, the diversity of emotions we experience can be explained by blends and variations in intensity of these primary emotions. For example, jealousy can be seen as a blend of anger and fear, while excitement can be seen as a high intensity of joy. This allows for a wide array of emotions to be experienced and expressed depending on the situation and individual.

According to Evolutionary Theories of Emotion,what Accounts for the Diversity