Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Environmental Studies Environment Waste
Why is recycled paper banned for use in food containers?
1
Because it makes a lot of space
2
Because it creates contamination
3
Because paper can only be used once
4
More than one of the above
5
None of the above