Links S.
1 total work
This is one of a series which explains to young children how raw materials are obtained, processed and used to make everyday products. Focusing on water, this book discusses its importance and the many ways in which it contributes to human life. The topics covered include how nature's water cycle provides a continuous supply, how man collects, processes and stores water for his daily needs and the uses of water in industry and agriculture and in generating power. Pollution and environmental problems are also examined.