I recently watched a video that mentioned the “toxic pit problem” of how closed mines turn into toxic lakes full of rainwater and harmful chemicals. Some companies are trying to fix them, but I was wondering if the Earth could “purify” itself if left completely alone?
Like, let’s say all of humanity disappeared tomorrow, could the harmful chemicals be filtered out or dissolved or changed after a billion years?
In: Planetary Science
Eventually pollution, plastics, and other waste would slowly get diluted or pushed underground through natural geomorphic processes. Think of the historical rock layers.
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