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Types of Solid

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Crystalline solids The solids of definite shape with its atoms or molecules arranged in some regular repetitious three dimensional patterns are termed as cryst…
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Postulates of Kinetic Theory of Gas

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In order to explain the kinetic and molecular behaviour of the gaseous molecules, a theoretic model was proposed, which is known as kinetic molecular theory of…
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Introduction to Biodiversity

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B iodiversity is the total variety of life on earth. It encompasses the total number, variety, and variability of life forms, levels and combinations existing …
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Environmental Pollution

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Degradation of quality of environment (air, water and soil) is known as pollution. Odum (1971) stated that pollution is an undesirable change in the physical, …
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