Question: Which of the following sentences best summarizes the main idea of the passage?

Options:

1. Urbanization leads to economic growth but also environmental challenges.
2. Pollution is a minor issue compared to other urban problems.
3. Youth are primarily responsible for environmental degradation.
4. Social media is the main cause of urban pollution.

Correct Answer: Urbanization leads to economic growth but also environmental challenges.

Solution:

The passage discusses the dual nature of urbanization, emphasizing both its economic benefits and environmental challenges.