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How di it affect covid 19 the life of the people including you.write your answer below​

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369 cents Olga
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This type of lens is thicker at the center and thinner at the edges.

An optical lens is generally made up of two spherical surfaces. If those surfaces are bent outwards, the lens is called a biconvex lens or simply convex lens. These types of lenses can converge a beam of light coming from outside and focus it to a point on the other side. This point is known as the focus and the distance between the center of the lens

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