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Water is Life
Submitted by By: on May 1st, 2012Categories: Life
Water is a chemical substance with the chemical formula H2O. Its molecule contains one oxygen and two hydrogen atoms connected by covalent bonds. Water is a liquid at ambient conditions, but it often co-exists on Earth with its solid state, ice, and gaseous state (water vapor or steam). Water also exists in a liquid crystal state near hydrophilic surfaces.
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Red and Green Apples
Submitted by By: on Apr 28th, 2012Categories: Fruits
The apple is the pomaceous fruit of the apple tree, species Malus domestica in the rose family (Rosaceae). It is one of the most widely cultivated tree fruits, and the most widely known of the many members of genus Malus that are used by humans. The tree originated in Western Asia. There are more than 7,500 known cultivars of apples, resulting in a range of desired characteristics.
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