Across
- 2. resource things in the environment that humans can use
- 3. creatures that eat their way through the soil.
- 7. organisms that break remains of the dead
- 8. made up of clay,silt,and sand
- 9. a material with particles of rock
- 10. consists of clay and particles of rocks
- 12. tunnels built by animals in the ground
Down
- 1. organisms that make humus
- 4. decayed organic material
- 5. measures acidity
- 6. crumbly dark brown soil that is a mixture of humus and clay
- 11. solid layer of rock beneath the soil