Cattle and sheep are exposed to lead and zinc when these poisons are in the _____.
2 answers:
Answer:
Option D, grass they eat and water they drink
Explanation:
Most of the grazing animals including buffaloes, cows, and sheep have high level of lead and zinc in their blood or milk only when -
a) They graze is any farmland or grass land which is near to any lead/zinc smelter or factories that uses these two chemicals.
b) Or when these animals drink water from water bodies contaminated by lead or zinc released by industries.
Hence, option D is correct.
<span>D. grass they eat and water they drink</span>
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