How did these disturbances affect the environment?

What hazardous materials have to be dealt with while disposing the electronic items? How would these materials affect the environment?

Do biodegradable substance affect the environment ? Reason out.

Introduction|Ecosystem - What are its components?|Food Chain And Webs|How do our activities affect the environment?

Introduction|Ecosystem - What are its components?|Food Chain And Webs|How do our activities affect the environment?

Introduction|Ecosystem - What are its components?|Food Chain And Webs|How do our activities affect the environment?