Kathiann M. Kowalski

Explores the different natural habitats--forests, rain forests, grasslands, deserts, cold regions, oceans and rivers--and the plant and animal life that exists in each. Includes related activities and word lists.

Analyzes different types of alternative medicine practiced today, such as homeopathy, chiropractic, herbal, and nutritional therapies, and discusses how to make an informed decision about medical care.

"Discusses the history of international trade, and outlines the arguments of those both for and against free trade, including the effects on world economies, the labor force, and the environment"--Provided by publisher.