Answer:
When a warm air mass moves into an area of cooler air, the boundary between the air masses is called a warm front. The warmer, less-dense air slides up over the cooler, denser air in a wide, gentle slope. As the warm air cools, its relative humidity increases, and the water vapor condenses into clouds.
Explanation:
<span>Kalpakkam is in A. Tamil Nadu. Which is located in South India :)
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Yes it was formed by a glaciers.
The answer is letter B. Particles in the atmosphere clearing the surrounding air which did not occur as a result of oil production and distribution around the Persian Gulf. All other choices such as A, C, D happened or occurred as a result of the oil production around the Persian Gulf.