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A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..

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Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

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Growth Patterns

This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..

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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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Human Perception – Neurology

This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..