1.

If humans disappear will the water not get purified in nature

Answer»

The same thing would happen to water purification PLANTS as would happen to all technology if humans on Earth vanished - they would break down.

The more sophisticated the plant, the QUICKER it would break down - because it would be reliant on other technology for continuing operation - such as power & chemicals.

Less sophisticated forms of treatment, such as slow-sand FILTERS - which treat the water by filtration and biologically by the ‘bugs’ that live in the sand media, would take longer to break down, but would eventually clog-up & be over-grown.



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