Earth is made of different things?gases, rocks, soil, and water. Soil is the top layer of the ground. Made up of tiny rocks and small pieces of plants and animals, soil helps plants grow and provides a home to insects and worms.
| ISBN: | 9780822563365 |
| Publication date: | 1st August 2005 |
| Author: | Robin Nelson |
| Publisher: | Lerner Publishing Group |
| Format: | Ebook (PDF) |