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Author Question: Which of the following sex and generation combinations most directly produces th (Read 510 times) |
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
If you could remove all of your skin, it would weigh up to 5 pounds.
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.