This in an excerpt from this book
The environment is an amazing gift of nature to the mankind. It consists of many small and big organisms, which reside together in this environment. They follow a proper food chain and live together. In past few decades, after the development of mankind and the different techniques, the humans have developed in every field. This development is a positive aspect but there came a time when these different aspects of development have harmed the environment very badly. There are many adverse effects of the human deeds on the environment and the humans are continuously exploiting the natural resources of the earth. This exploitation has led to the depletion of natural resources such as coal, iron, mineral oils etc. To understand the fact that environment and its components are precious, a thorough discussion is done here. This will provide a basic idea of the environment, the environmental science and the ways by which environment can be saved.
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