I think it’s B but i’m not sure
Answer:
D
Explanation:
Common causes of chronic insomnia include: Stress. Concerns about work, school, health, finances or family can keep your mind active at night, making it difficult to sleep. Stressful life events or trauma — such as the death or illness of a loved one, divorce, or a job loss — also may lead to insomnia
C for which part of respiratory.....
B for the second pic
I think b but im not sure for the third picture
yes it is, there are b9 vitamin supplements otherwise known as folic acid supplements.