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Author Question: Systems manufactured before 2009 used a(n) ________ graphics port for video. Fill in the blank(s) ... (Read 43 times) |
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
There are more nerve cells in one human brain than there are stars in the Milky Way.