Our environment
1) Our environment is composed of various biotic and abiotic factors which interact with each other.
2) Human activities have a great impact on the functioning of the environment.
3) The wastes generated by the various human activities may be biodegradable or non- biodegradable.
4) The enzymes present in the body of decomposers are capable of breaking down the biodegradable substances, but not the non- biodegradable materials.
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