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Brittany Santana
Physics
19 May, 13:50
Why is a convex lens useful for starting fires
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Tripp French
19 May, 13:56
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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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