Question

what is the main reason for the melting of polar ice caps? overfishing deforestation volcanic eruptions climate change

Explanation:

Climate change causes global warming, leading to rising temperatures which melt polar ice caps. Overfishing affects marine ecosystems, deforestation impacts land - based carbon cycles and habitats, and volcanic eruptions have short - term climate effects but are not the main cause of polar ice cap melting.

Answer:

D. Climate change