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प्रश्न
Match the following:
| i. | Burning coal | a. | Land pollution |
| ii. | Throwing plastic | b. | Noise pollution |
| iii. | Wastewater from factories is mixed with river | c. | Air pollution |
| iv. | Louder horn of vehicle | d. | Water pollution |
जोड़ियाँ मिलाइएँ
उत्तर
| i. | Burning coal | c. | Air pollution |
| ii. | Throwing plastic | a. | Land pollution |
| iii. | Wastewater from factories is mixed with river | d. | Water pollution |
| iv. | Louder horn of vehicle | b. | Noise pollution |
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