D. Cause when the sun hits water the cools and it turns into mist and the warm mist makes the air hot so that is why the air is so hot and damp which makes it worst.
Zoroastrian is an old historical religion present in the 6 century times. It was proposed by prophet Zoroastrian.
His ideology put forward had a major impact on religions followed today such as the Christianity, Judaism and Islam.
Most of the teachings of these religions have similarity with the Zoroastrian culture of the 6th century. The Zoroastrian teaching supported the wester culture and thoughts by having belief on the philosophical explanation.