Plastic bag - More than 50 years, Organic material - 1 month, Glass - 1 million year, Chewing gum - 20-25 years, Newspaper - 6 weeks, Cigarette butt - 1-5 years, PET bottle - More than 450 years, Balloon - More than 4 years ,

Decomposition time - How long does it take for different things to decompose?

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埋め込み

リーダーボード

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オプション

テンプレートを切り替える

自動保存: を復元しますか?