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प्रश्न
Match the following.
| Column A | Column B |
| 1) Polluting energy | a) smoke particles |
| 2) Environment friendly energy | b) thermal energy |
| c) wind energy |
जोड़ियाँ मिलाइएँ
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उत्तर
| Column A | Column B |
| 1) Polluting energy | b) thermal energy |
| 2) Environment friendly energy | c) wind energy |
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