Which among the following pictures are biodegradable substances?
Options:
A .  
1
B .  
2
C .  
3
D .  
1 and 2
Answer: Option B : B
Paper is biodegrdable and hence the bags made out of paper are also biodegradable. Polyethene bags and waste parts of mobile phones or any other electronic devices (e-waste) are non-biodegradable.
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