What's the main cause of smog an

The main cause of smog and acid rain is pollution from burning fuels like coal, oil, and gas. When these fuels burn, they release harmful gases into the air. Two of these gases are sulfur dioxide () and nitrogen oxides ().

When sulfur dioxide and nitrogen oxides mix with water in the air, they can form acid rain. Acid rain can harm trees, damage buildings, and make lakes and rivers too acidic for fish and other wildlife.

Smog is a type of air pollution that looks like a cloud of smoke and fog. It often happens in big cities with a lot of traffic and factories. The main cause of smog is also the burning of fuels, which releases gases like nitrogen oxides and volatile organic compounds (VOCs). When these gases mix with sunlight, they can form smog.

So, the main cause of both smog and acid rain is the burning of fuels, which releases harmful gases into the air.