The occurrence of the urban heat island effect is due to the fast heating and slow cooling of the man-made surfaces.
What are man-made surfaces?
The surfaces created due to the practices and acts of humanities are known as man-made surfaces. Generally, they heat up very fast, and take a lot of time to cool down.
Hence, option D states that the urban heat island effects occurs in the man-made surfaces.
Learn more about man-made surfaces here:
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