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Environmental Studies Short Question | Gkseries
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battelle-columbus-environmental-evaluation-system-is-used-to-assess-the-impact-of
Battelle - Columbus environmental evaluation system is used to assess the impact of :
[A] Silicon and alumina
[B] Silicon and magnesium
[C] Silicon and nickel
[D] Nickel and iron
Answer & Explanation
Answer: Nickel and iron
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