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Common to all matter and its smallest and most fundamental unit, the atom determines the properties of a substance and how it responds to other materials and stimuli. Dividing the atom further reveals several smaller particles whose activity forms the heart of nuclear physics. Readers will discover the structure of the atom as well as the ways in which its electrons, protons, and neutrons facilitate both radioactivity and nuclear reactions, both of which have been crucial to technological advancements since the 20th century.
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This book dramatically explains the constant and epic battle between predator and prey, and the ways each adapts to its position on the food chain. There is an engaging section devoted to our place in the food chain, the environmental responsibilities of being at the top, and the consequences of over-fishing or over-harvesting.
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Powerful and determined, the sea turtle lives a fascinating life. Its life journey begins when its mother travels thousands of miles to lay her eggs on a beach. Then it travels back to the ocean as a hatchling to start a life of its own. Readers will explore all the stages of a sea turtles life and learn how people can help them survive. Vivid photographs show these wonderful reptiles in great detail.
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The Statue of Liberty is an icon of the United States. The story of Lady Liberty is one of friendship, cooperation, and a firm belief in democracy. Readers will learn about the ingenious engineering within the statue. Theyll see vivid photographs showcasing her creation in France and her current watchful presence in New York Harbor. Readers will also learn why the statue has become a symbol of optimism and pride for many people.