state which of the following are surds justify √-9
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Soil is the loose surface material that covers most land. It consists of inorganic particles and organic matter. Soil provides the structural support to plants used in agriculture and is also their source of water and nutrients. ... Each type has particular strengths and weaknesses for agricultural production.
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Three concentric metallic spherical shells of radii R, 3R,5R are given charges Q1 Q2 Q3 respectively it is found that the surface charge density on the outer surface of the shells are equal then find the ratio of the charges given to the shells Q1 Q2 Q3.
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