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It turns out that there are at three simple machines found in a bicycle: lever, pulley, and wheel-and-axle. There are three more kinds of simple machines: an inclined plane, a wedge and a screw. When a machine is comprised of more than one type of simple machine, it is called a compound machine.
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~ Destiny ^_^
The largest vein in an animal's body is in fact the Vena Cava.
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Answer: Protiens hydrates acids
Explanation:
