環保問題*有咩野係屬於bio-degradable materials?

2007-08-09 5:42 am
環保問題*有咩野係屬於bio-degradable materials?

回答 (1)

2007-08-09 6:34 am
✔ 最佳答案
bio-degradable = can be decomposed by the environment

for example: wood, paper, cotton, human and animal bodies,etc

non-biodegradable: plastic, sometimes glass


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