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Author Question: U.S. public utilities are often: a. perfect competitors. b. created through patent protection. c. ... (Read 105 times) |
If you could remove all of your skin, it would weigh up to 5 pounds.
The familiar sounds of your heart are made by the heart's valves as they open and close.
Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.