One of our most important objectives as hu have provided basic principles from scientific mans is to discover and pass on ways of living journals and books and summarized the expe with our environment. Every form of life, in riences of people actually living in earth shel cluding human, depends on nature's ability to ters. produce clean air, pure water and fertile soil In the growth and development of any field and to recycle wastes. It is our duty to live in a of knowledge, there comes a time when theory manner that enhances and preserves these nat requires testing, when concepts need to be...