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How Is Soil Formed?If the surface of our earth were not covered with soil, man would perish. Without soil, plants could not grow and human beings and other animals would have no food. Soil is the loose, powdery earth in which plants grow. Who Did Chemistry Begin?Chemistry is the science used to find out what things are made of and how they can be changed. It was actually the desire to make certain changes that was the be ginning of chemistry. Modern chemistry grew out of a study called “alchemy”. How Did Chess Originate?There is probably no game about which so much has been written for so many hundreds of years as chess. It is called “the royal game” because it is considered the king of games. What Are The Eastern Island Statues?On Easter Day in 1722, a Dutch admiral called Jacob Roggeveen landed on a grass-covered island in the South Pacific. He named it Easter Island and discovered it to be a very strange place indeed. The island was more than 1,000 miles from the nearest inhabited land. What Is Cellulose?The softer parts of the bodies of plants are made up mostly of cellulose. It is the cellulose which enables a plant to bend and have flexibility. Nearly all green plants manufacture cellulose for their own use. |