Environment & Ecology · Environment
Soil is vulnerable to pollution from several sources like atmospheric deposition and industrial processes. Based on environmental factors, all of the following are primary direct causes of anthropogenic soil pollution EXCEPT:
- 1The dumping of hazardous industrial waste in landfills
- 2The increasing concentration of dissolved salts due to improper irrigation
- 3The natural decomposition of organic plant matter✓
- 4The leaching of harmful air pollutants into the ground
Correct answer
The natural decomposition of organic plant matter
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