KROK 1 2019 – Question 57 · KROK (Medicine) · Biology
Ingestion of plants and mushrooms that grow along highways is dangerous due to risk of lead poisoning. What is the main source of environmental pollution with this chemical element?
- A. Herbicides
- B. Sewage
- C. Acid rains
- D. Chemical fertilizers
- E. Exhaust fumes
Hint
Ask what happens on highways that would release lead into the air and soil beside them.
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