It's a big question - could rainforests save planet Earth? These diverse ecosystems are home to many plants and animals, each with amazing abilities that could change Earth's future. Discover how tropical biologists study rainforests and learn about . - Trees that are able to clean the air and water- Fascinating plant species that hold powerful medicines- Thesurprising ways plants and animals work together to keep the natural world healthy . and so much more!Beautifully bound with striking illustrations, The Big Questions Answered is a unique and collectable series that will start a lifelong interest in science for kids. Each book includes a QR code link to The Big Question Answered website for comprehensive free teacher resources and fun kids' pack.