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why are leaves called food factories of plants why are leaves called food factories of plants explain why are leaves called food factories of plants class 4 why are leaves called food factories of plants answer why are leaves called food factories of plants give reason why leaves are called food factory of plants class 7 why leaves are called food factory of plants class 6 why leaves are called food factory of plants class 3 why leaves are called food factory of plants class 2 why green leaves are called food factories of plants
