The misery from drought is increasing globally primarily due to human activities that worsen drought conditions, such as deforestation and unsustainable farming. These actions deplete resources and disrupt natural water cycles. Therefore, the correct answer is option C: an increase in human activities that aggravate drought conditions.
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The increasing misery due to drought worldwide is primarily linked to an increase in human activities that aggravate drought conditions, such as deforestation and unsustainable agricultural practices. These activities contribute significantly to water scarcity and altered climate patterns. While other factors like decreased rainfall and water table levels are relevant, human actions have the most substantial impact. ;