Environment & Ecology · Environment
The term 'tailings', often referred to in discussions on mining and environmental risk, denotes which one of the following?
- 1A drag-reduction technique used in long-distance aviation
- 2A traditional water-distribution practice used in semi-arid agriculture
- 3Residual waste material left after the valuable fraction has been separated from ore✓
- 4A method of monitoring endangered animals through satellite-linked tags
Correct answer
Residual waste material left after the valuable fraction has been separated from ore
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