Presents an introduction to chlorine, in simple text with illustrations, including information on what it is made of, how it is used, and how it affects the environment.
Examines coral reefs around the world, the species of marine life that inhabit them, their value to humans, how reefs are formed, and ways to protect them from further destruction by oil and chemical spills.
Describes the different plants and animals that live in the various saltwater habitats of Maine, including the ocean, coastal waters, estuaries, salt marshes, and swamps.