Across
- 2. which includes the gases oxygen, carbon dioxide, and nitrogen.
- 3. is found in soil spaces.
- 4. organisms includes earthworms, bacteria, and fungi.
- 5. this refers to organic matter, comprising of decayed plants and animals.
Down
- 1. which comprise inorganic matter, such as, sand, silt, clay obtained from the parent rock from which the soil is derived.