Question

what is the main idea of the text? a air pollution is mainly caused by cars, so we must stop driving them. b air pollution is a big problem, but people can do something about it. c the airnow tool can help people know what the air is like. d maxine jimenez won an award for helping the environment

Explanation:

We need to find the over - arching theme of the text. Option A is too extreme as it proposes completely stopping driving cars. Option C focuses on a single tool (AirNow). Option D is about an individual winning an award. Option B best captures the general idea that air pollution is a problem and people can take action, which is likely to be a common main idea in a text about air pollution.

Answer:

B. Air pollution is a big problem, but people can do something about it.