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Environmental Science: Waste materials

Question 1 of 36

Some hazardous waste can be __ treated with bacteria that can break down toxic substances

  1. chemically
  2. solar energy
  3. electronically
  4. biologically

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000