haynerek388 haynerek388

17-04-2019
Physics

contestada

Why is a convex lens useful for starting fires

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kienzie1 kienzie1

17-04-2019

because if you were stuck on an island and you had a bag of of stuff and you also had a convex lens in there it could be good if u can't start a fire by rubbing to sticks instead you can use the convex lens to start a fire

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