Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Human activities have a large and important impact on the environment.Naturally occurring elements or compounds are often concentrated andredistributed in the environment through industrial processes, power production,and consumer activity. For example, lead, which is found innaturally occurring mineral deposits, has become a major pollutant throughits use in batteries, paints, and gasoline additives. In addition, the productionof non-natural or anthropogenic substances, such as halogenated solvents,can also result in the eventual release of often toxic and biorecalcitrantsubstances into the environment....
Nội dung trích xuất từ tài liệu:
Chemical Degradation Methods for Wastes and Pollutants: Environmental and Industrial Applications
