in a concave mirror is the reflecting surface away from the centre of the sphere of which the mirror is a part
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Centre of curvature: In a spherical mirror the centre of curvature is the centre point of the hollow sphere of a mirror. In concave mirror, centre of curvature is in front of it but in convex mirror it is behind the mirror. Pole: The centre point on the spherical mirror is called pole.
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Deforestation refers to the decrease in forest areas across the world that are lost for other uses such as agricultural croplands, urbanization, or mining activities. Greatly accelerated by human activities since 1960, deforestation has been negatively affecting natural ecosystems, biodiversity, and the climate.
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