(i) Wastes which can be degraded by microorganisms and by natural processes are known as biodegradable wastes.
(ii) One source of gaseous waste is the release of carbon monoxide by automobiles.
Non-biodegradable trash is a growing concern to environmentalists these days. Explain ways by which one can get rid of non-biodegradable wastes. In your capacity what would you do to thrash this waste