Question

why
are non biodegracadable substance
not broken down by microbes​

Answer 1

Answer:

Answer. Microbes cannot break non biodegradable substances because enzymes are specific in their action, they only break down specific substances, like plastics are non biodegradable.

Answer 2

Answer : The substances like the plastic are not decomposed by the microbes because the microbes don't have ability to decompose such complex compounds and one more point is that microbes decompose substances and get nutrition from it so from plastic they don't get any nutrition