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Match List-I with List-II and select the correct answer:
Match List-I with List-II and select the correct answer:
| List I | List II |
| a. Mixing of harmful chemicals in water | 1. Air Pollution |
| b. Presence of undesirable solid or gaseous, Particulate matter in air | 2. Noise Pollution |
| c. Noise upto 120 decibel | 3. Water Pollution |
| d. Ultraviolet Rays | 4. Radioactive Pollution |
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