* Which mountain range is growing by 6 centimetres a year?

* How fast can lava flow across the land?

* What is the world's biggest lake?

Find the answers to these questions and many more as you take a closer look at Earth's Landforms - by numbers! Fromthe depths of the oceans and underground caves to the top of the highest mountains and unpredictable volcanoes, Earth's amazing landforms reveal fascinating facts aboutour planet. Discover how these landforms are constantly changing as new ones form and old ones disappear!