1-How does soil form?

2-What are organisms?

3-What is Bedrock?

4-What happens to soil that doesn’t have any plants when the wind blows?

5-How much air is in soil?

6-What creatures live in the topsoil?

7-How long does it take to create a layer of topsoil?

8-What needs to be available for plants to grow the best?

9-What do living organisms do to help soil?