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Rocket clouds
Soil by Mind Map: Soil

1. is made of

1.1. organic matter

1.1.1. made of

1.1.1.1. nutrients

2. weathered rocks

2.1. types of soil

2.2. sand

2.2.1. silt

2.3. clay

3. made up of

3.1. minerals

3.2. ~inorganic stubstance

4. made up of

4.1. bacteria

4.2. cells

5. Description

5.1. brownish color

5.2. rocks

5.2.1. water

5.3. wood chips

6. Nutrients

6.1. P-Phosphorus

6.2. N-Nitrogen

6.3. K-Potassium