Our environment
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9_F3s2RMDmgs9eXviApSmVDTXjSPEyEEizOSUcgJn2Tz4B-2y9EUTuloLZRIQeGr8vscsBwmoA2yr0_OkqDi27SGJP50c0oMJtCOoIDOZkli0OgEis7UzhDe_9LhkSxyolLMu3kZRXeTu/s1600/download+%25283%2529.jpg)
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.