Question

1. what question does paragraph 4 help answer? a. why do brain freezes happen? b. how do you stop a brain freeze? c. how have scientists studied brain freeze? d. which type of ice - cream causes a brain freeze?

Explanation:

Assuming paragraph 4 gives methods to relieve brain - freeze, such as keeping the tongue flat to warm it up which stops the painful feeling. This indicates it answers how to stop a brain freeze.

Answer:

B. How do you stop a brain freeze?