Answer:
weather that is physically challenging
Explanation:
Answer: Mining and quarrying can be very destructive to the environment. They have a direct impact on the countryside by leaving pits and heaps of waste material. The extraction processes can also contaminate air and water with sulfur dioxide and other pollutants, putting wildlife and local populations at risk.
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Cold fronts produce Heavy precipitation, and warm fronts produce Light precipitation.
I think the warmest air can be found in the cT air mass. Hope this helped!