Environment & Ecology · Environmental Science
भूमिगत खदानों से होने वाला अम्लीय खदान जल निकासी (Acid mine drainage) मुख्य रूप से किस रूप में होता है?
- 1स्लरी लैगून जल निकासी (Slurry lagoon drainage)
- 2स्पॉइल टिप जल निकासी (Spoil tip drainage)
- 3बिंदु निर्वहन (Point discharge)✓
- 4गैर-बिंदु निर्वहन (Non-point discharge)
सही उत्तर देखें
बिंदु निर्वहन (Point discharge)
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