Subject :NSO Class : Class 6
Class : Class 9
Sorry for the incomplete answer I think it's because Y is not in the biodegradable So it should be non biodegradable and only scissors are non biodegradable
Subject :NSO Class : Class 2
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5

