1) Which is biodegradable? a) plastic bag b) paper bag 2) Is a plastic pen biodegradable? a) Yes, it is. b) No, it isn't. 3) Is a cardboard box biodegradable? a) Yes, it is. b) No, it isn't 4) Is a newspaper biodegradable? a) Yes, it is. b) No, it isn't. 5) Are these pots biodegradables? a) Yes, they are. b) No, they aren't 6) Are these cups biodegradable? a) Yes, they are b) No, they aren't

Pollution

さんの投稿です
印刷
埋め込み

リーダーボード

表示スタイル

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?