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Why are some substances biodegradable and some non-biodegradable?
Answer
The decomposers break down specific substances present in the environment.
Due to this specific nature of decomposers, substances are divided into two categories
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Biodegradable substances
- The substances that can be broken down by the biological action of the decomposers are known as biodegradable substances. Such substances are generally natural.
Example - dead remains of plants and animals.
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Non Biodegradable substances
- The substances that can not be broken down by the biological action of the decomposers are known as non-biodegradable substances. Such substances are generally man-made.
Example - plastic.
