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The shadoof was invented in 2000 B.C. and was used to transport water to higher levels, usualy where there were planting feilds.
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In 3750 B.C. Carbon was discovered. It is found in coal, carrbon monoxide, and hydrocarbons.
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Hydrogen was discovered in 1766, it is a key ingredient in water.
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Oxygen, which makes up about 3/4 of our atmosphere, was discovered in 1774
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In 1776, it was discovered that water was composed of hydrogen gas (H2) and Oxygen (O).
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In 1836, the first hydrocarbon (various bonds betwwen hydrogen and carbon) was discovered.
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The term polymer comes from "poly" meaning many, and "mer" meaning parts. Polymers are thousands of hydrocarbons linked together. One polymer is polyethylene, which is a a plastic we use just about every day.
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In 1907, plastic was invented by Belgian born Leo Hendrik Baekeland.