Presents ways to create less garbage by reusing and recycling and offers examples of positive action taken by young people to help reduce the amount of garbage going into landfills.
Explores the different types of nonrenewable natural resources and discusses conservation, alternative resources, and making positive consumer choices.
This book offers and interesting, comprehensive, and comprehensible introduction to a complex topic: atoms and molecules. Through straightforward and non-intimidating language, readers learn about the
Biodegradability is the ability of substances to be broken down into simpler substances by bacteria. People around the world use great numbers of non-biodegradable products, including plastics, medici
Without oxygen, no part of the body—not the brain, the heart, the legs, the arms, or anything else—would work. The lungs are the most important component of the respiratory system, the process by whic
