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Humans have a complex relationship with planet Earth. Life depends on the planet's natural resources. Yet human activity has led to many environmental issues. Industry pollutes land, air, and water. Agriculture uses up clean water. In the Enviro-Graphics...

How is a volcano like a soft drink? To visit the largest known volcano, would you need a submarine or a spaceship? How fast can a pyroclastic flow go? True or False?: Volcanoes is here with answers to these questions and more! The True or False? series...

Can sharks get cavities? Do any of them live in rivers and lakes? Which shark is more famous: Baby Shark or Bruce? True or False?: Sharks is here with answers to these questions and more! The True or False? series reveals the surprising truths behind...

What is celebrated during the festival of Diwali? Which holiday lets you have a water fight with an elephant? Is Pancake Week followed by Waffle Weekend? True or False?: Holidays and Celebrations is here with answers to these questions and more! The True...

Why did Lewis and Clark explore the American West? After whom is America named? Has the ship Endurance endured? True or False?: Explorers is here with answers to these questions and more! The True or False? series reveals the surprising truths behind...

Can accountants, dentists, and hairstylists help solve crimes? Can you trust a lie detector test? Could a plague of uncontrollable dancing be caused by moldy hay? True or False?: Crimes and Other Mysteries is here with answers to these questions and...

What is the difference between weather and climate? How do rising temperatures cause sea levels to rise? Where do greenhouse gases come from? True or False?: Climate Change is here with answers to these questions and more! The True or False? series...

Why do police officers read people their rights before arresting them? What is the Magna Carta? When is it time to “take the fifth”? True or False?: Civil Rights is here with answers to these questions and more! The True or False? series reveals the...

How many kinds of ants are there? What is a true bug? Do periodical cicadas read magazines? True or False?: Bugs and Other Tiny Creatures is here with answers to these questions and more! The True or False? series reveals the surprising truths behind...

What was the first full-length animated motion picture? Has Bugs Bunny ever won an Academy Award? Who lives in a pineapple under the sea? True or False?: Animation is here with answers to these questions and more! The True or False? series reveals the...

What were the pyramids used for? Were Nile River floods dangerous or helpful? What happened to the Library of Alexandria? True or False?: Ancient Egypt is here with answers to these questions and more! The True or False? series reveals the surprising...

In Wolf or Coyote?, beginning readers will learn to spot the differences between these hunting mammals. Carefully leveled text relays what the animals look like and how they behave. Each page then asks readers to name which animal is shown in the photo...