5.
Which of the following describes the relationship between air pollution and students’ ability to learn?

A
Air pollution makes it more difficult for students to be able to hold knowledge and remember it later on.
B
Air pollution negatively affects students’ attention, making it difficult for them to focus.
C
Air pollution damages areas in students’ brains, preventing them from making important connections.
D
Air pollution negatively affects students’ hormones, stunting the overall development of their brain.