Describes environmental conditions in the wet world of the tropical rain forest and the plants, animals, and native peoples that share it, and discusses the impact of the outside world and related top
Travels back in time to retrace the development of the Earth and its continents, ocean life, dinosaurs, early mammals, and the first humans in the Americas, and discusses the origins of the study of t
Travels back in time to retrace the development of the Earth and its continents, ocean life, dinosaurs, early mammals, and the first humans in the Americas, and discusses the origins of the study of t
The deepest part of the ocean is called the abyss. It is an alien world, still relatively unexplored. Now, with new equipment and technology, we are beginning to learn more about the abyss and the cre