engineering recuitment BPSC Assistant Sanitary & Waste Management Officer Mock Test 2022 People Development & Environment Environmental Issues Waste
Which of the following materials can be commercially recovered during recycling of e-waste?
- Gold
- Copper
- Glass
- Plastic
Select the correct answer using the code given below.
1
1, 2 and 3 only
2
2, 3 and 4 only
3
1 and 4 only
4
1, 2, 3 and 4