The answer is source B because it has a listed author who is an expert and it is the governments organization website which are more reliable that a .com website. Source A does not even list the author so you do not know who wrote it could be anyone.
Answer: 4, 5, 6
Explanation:
You can just look them up, Hope this helps! :)
Answer:
https://www.bbc.com/future/article/20160106-the-surprising-perks-of-being-easily-embarrassed