Case 1 shows why convex lenses are used as magnifying glasses or in microscopes.
(Case 1; shows; why convex lenses are used as magnifying glasses or in microscopes) Context(Case 1 shows,List([0, 12))):(convex lenses; are used; as magnifying glasses or in microscopes)
Case 1 shows,List([0, 12))
Case 1 convex lenses
shows are used
why convex lenses are used as magnifying glasses or in microscopes
as magnifying glasses or in microscopes