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The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

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Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..

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Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..

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The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..