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➡In our environment, many of the substances are broken easily by decomposers (bacteria and fungi) as they possess specific enzymes for such activity. However, there are other substances also which are not broken down in this manner and are known as non-biodegradable substances.
➡They may produce foul smell during decomposition process. They may produce some harmful gases such as ammonia, methane, carbon dioxide, etc., which can further-cause global warming.
➡The microorganisms that break it down can cause disease and produce harmful gases. Non-biodegradable materials are often synthetic products like plastic, glass and batteries. Because they don't break down easily, if not disposed of properly, non-biodegradable waste can cause pollution, block drains and harm animals.