Which statement best describes the difference between endothermic and exothermic reactions? they are opposites because endothermic reactions require energy and exothermic reactions release energy. they are opposites because endothermic reactions release energy and exothermic reactions require energy. they the same because they are both ways of forming precipitates. they the same because they are both ways of forming gasses.

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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