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Alternative sources to control pollution are:

5th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Board 5th Class Science Lesson No 1 Online Test MCQs

Question:
Alternative sources to control pollution are:

Option A):
Water, Oil, Coal, Sun
Option B):
Sun Wind, Water, Fallen leaves
Option C):
Sun, Chemical substances, Spray, Air
Option D):
Chemical Fertilizers, Fallen Leaves, Water, Oil

Correct Answer is Option B):
Sun Wind, Water, Fallen leaves

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