最終更新日:2025/12/05
After months of monitoring, scientists confirmed that a persistent organic pollutant had accumulated in the wetland food chain, posing long-term health risks to birds and mammals.
正解を見る
After months of monitoring, scientists confirmed that a persistent organic pollutant had accumulated in the wetland food chain, posing long-term health risks to birds and mammals.
音声機能が動作しない場合はこちらをご確認ください
編集履歴(0)