Answer:
When two people answer your question there will be little crowns at the bottom of their answers, you click on the crown on the one that had the best answer. No you do not have to have a brainliest but it makes it so you can move onto the next "level" on brainly.
Explanation:
So basically once this question has two answers you'll see the crowns appear and just pick your favorite answer and click the crown.
Comment on this question if you have any more questions.