Environment & Ecology · Environment
A significant long-term environmental issue associated with using incompletely treated sewage for agricultural irrigation is:
- 1Complete lack of essential crop nutrients
- 2Accumulation of toxic heavy metals and pathogens in soils✓
- 3Reduction of water availability in urban areas
- 4Depletion of soil organic matter
Correct answer
Accumulation of toxic heavy metals and pathogens in soils
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