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Corn in the service of agriculture

By Dr. Mahmoud El-Shawarby, Arabookverse (Editor)
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By Dr. Mahmoud El-Shawarby, Arabookverse (Editor)
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Matter is composed of molecules, molecules are composed of elements, and elements are composed of atoms. Accordingly, it can be said that the atom is the unit of the element. The atom consists of a nucleus (nucleus) in which the weight of the atom is concentrated. A number of electrons revolve around this nucleus in external surroundings, the weight of which is considered small. Very high relative to the weight of the atomic nucleus, and these electrons are all negatively charged. The nucle...

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