"When police are called to a house, they find three bodies. Are they dead, and has any crime been committed? This book looks at the topic of the human body to explain how our body systems work. It sho
"When police are called to a house, they find three bodies. Are they dead, and has any crime been committed? This book looks at the topic of the human body to explain how our body systems work. It sho
"What is acid rain? Why is so much farmland now damaged? How can ecotourism help the environment? The 'Real World Data' series presents information about familiar curricular topics through charts and
"What is scree? How hot is the center of the Earth? Where is the longest river in the world? The 'Real World Data' series presents information about familiar curricular topics through charts and graph
Explores the future of solar power as a source of energy, discussing the pros and cons of its use, how the Sun's energy can be harnessed, the history of its use, and how it may be used in the future.