Today, paper is used for hundreds of things not only books and newspapers but also money, stamps, bags, and even clothes.
In ancient times, before the invention of paper, people had written on animal skins, and bones and started to make papyrus and stones. In 2700 BC the Egyptians (23) which was similar to paper. But the first real form of paper was invented in 105 AD by a Chinese government official. It makes from a keeping their new mixture of plants and clothes.
The Chinese discovered a secret for many centuries. Finally, in the 10th century, the paper was brought to Europe by the Arabs. The first European paper mill was built in Spain in 1150. Since the 18th century, most papers were made out of wood, because it is much stronger than cloth. Today, used about 300 kg of paper every year. It has each person becoming a material that we cannot do without.
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It would be d. conjunctions because they help your sentence flow easily.
Observation is a very important part of science. It lets us see the results of an experiment, even if they are not the results we expect. It lets us see unexpected things around us that might stimulate our curiosity, leading to new experiments. Even more important than observation is accurate observation. Often, our eyes and our brains play tricks on us, letting us see what we expect to see, instead of what is actually there.
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3 different branches help keep people free and protected because it is more
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