Answer:
When two or more people answer a question, you have the option to mark one as brainliest, meaning that the person who answered the question was more detailed or whatever the case may be. You scroll down and there will be a crown. Click it. Then, the answer is marked as brainliest!
I believe the answer is B I just took the test
I think for Question 14 it is the first option
for 15 i think it is option 3