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There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

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Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..

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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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This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

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Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..