There's a whole world of organisms that escape the naked eye. Take a small soil specimen and peek into the microscope. You will be surprised at the tiny creatures there. This knowledge will encourage kids to appreciate and respect the soil. After all, it sustains life on Earth. Open your eyes to the truth. Read this book today!
Dieser Download kann aus rechtlichen Gründen nur mit Rechnungsadresse in A, D ausgeliefert werden.