Answer:
option D is the right answer.
Laughing can relieve muscle tension and stress. Laughing also causes your brain to release hormones like endorphins. It also decreases stress hormones, which is a big help. When you laugh you also take deep breaths, so you end up getting more oxygen in our blood stream. Laughing can also improve your immune system, so you can fight off infections better. Try to expand on that. Hope that helps.
A: The grammar and sentence choice is correct, and it sounds really good and interesting
Answer:
Some of Mexico’s rivers are the Grijalva, the Usumacinta, and the Conchos.
