What causes a country to be underpopulated?

Why am I still very bloated for the past 2 months and having pg symptoms even after having a period? How long does it take to digest roasted chicken? What would cause a small red patch of skin to flake off when you scratch it but doesn't itch but seems to be getting a little bigger leaving a perfect circle smaller than a pencil eraser of red skin? Partial plate costs? Are the external and internal intercostals muscles? Show you a picture of an eye with glaucoma? How is cholera prevented? Which two structure's divide the forearm flexors from the extensors? How long do you have to leave the bandage on your leg for swelling? What does hypertrophic spurring mean? What is difference between cold sores and canker sores? What diseases are associated with cellulose deficiency? What occurs when air leaves the lungs? What happens If a muscle is applied to a load that exceeds the muscle's maximum tension? Are there dog dentures? What are the most 2 common parts that cause a unit to hang at the splash screen? Why is your menstruation slow? What behaviors are likely to spread foodborne illness? Is it safe to eat sweet corn and butter while pregnant? How long does a cell spend during the phase of metaphase II?