Item:Q5287: Difference between revisions
Created a new Item: pollution, introduction of contaminants into the natural environment that cause adverse change |
Created claim: subclass of (P1): externality (Q5289) |
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| Property / subclass of: environmental issue / rank | |||
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| Property / subclass of: unintended consequences / rank | |||
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| Property / subclass of | |||
| Property / subclass of: externality / rank | |||
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