CBSE Class 10 Science 2020 · Paper 31/C/3 · Question 10(b)
Disposable plastic plates should not be used because
- (a)they are made of non-biodegradable materials.
- (b)they are made of biodegradable materials.
- (c)they are made of toxic materials.
- (d)they are made of materials with light weight.
Answer
(a) they are made of non-biodegradable materials.
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