Environment & Ecology · Environmental Studies
Soil conditioners and low-grade fertilizers often introduce which group of toxic heavy metals into agricultural land?
- 1Mercury, Lead, Arsenic, and Cadmium✓
- 2Iron, Aluminium, Silicon, and Carbon
- 3Gold, Silver, Platinum, and Titanium
- 4Sodium, Potassium, Calcium, and Magnesium
Correct answer
Mercury, Lead, Arsenic, and Cadmium
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