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
I think it goes bak to like 10bc ago
The answer is C) more offsprings that can survive and reproduce.
