5. Read the poem and answer the questions.
In a city so busy, with buildings so tall, It’s hard to breathe at all.
Cars and factories giving out smoke, Leaving our world all dirty and broke.
Let’s all be careful, and try to be wise, Reduce, reuse, and recycle, that’s the advice.
Let’s work together, make our world pure, For a cleaner, and healthier future, that’s for sure.
a. What kind of pollution is the poem about?
b. What should people do to prevent the environmental problem according to the poem?