UPPSC PCS 2014 · Question 17 of 150
Environment
Sewage is a biodegradable pollutant, which means it can be broken down by natural processes and is not harmful to the environment. Biodegradable pollutants are organic materials that can be decomposed by microorganisms into simple, stable compounds such as carbon dioxide and water.
Source: edurev.in UPPSC Prelims 2014 GS Paper I with Answer Key and Solutions
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