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This topic category is used to tag pages that have to do with the chemical composition of the ecosystem, particularly broadscale changes in the composition of air, water or soils, or pollution by anthropogenic production and release of nutrients or toxins. There is another category just for climate change.
This category has only the following subcategory.
Pages in category "Chemistry"
The following 3 pages are in this category, out of 3 total.
Media in category "Chemistry"
This category contains only the following file.