Passage: Smog has become a recurring problem in several Pakistani cities during the winter months, reducing visibility and causing respiratory issues. Vehicle emissions, crop burning, and industrial smoke all contribute to the thick haze that settles over urban areas. Environmentalists warn that without coordinated action across provinces, the situation will likely worsen each passing year. Question: What is the main idea of the passage?

Question

Accepted Answer

Smog is a growing seasonal problem caused by multiple sources of pollution. The passage identifies smog as recurring each winter and lists several contributing sources, framing it as a growing, multi-source problem

Explanation