Final answer:
The Tropical climate zone receives the highest insolation due to its location near the equator and direct sunlight throughout the year.
Step-by-step explanation:
The climate zone that receives the highest insolation is the Tropical zone. This zone is located near the equator and receives direct sunlight throughout the year. The high angle of the sun in the sky results in more intense sunlight and higher insolation.
Learn more about Climate zones