| A | B |
|---|
| decay | to slowly break down or rot |
| humus | decayed organisms in soil |
| nutrient | A material that plants and animals need to live and grow. |
| clay soil | Soil with timy grains that are packed closely together. |
| sandy soil | Loose soil with large grains. |
| loam | Good planting soil that is a mixture of clay, silt, sand, and humus. |
| silt | fine earth carried by rivers |
| sand | loose granular particles of rock |
