soil

1. organic matter

1.1. colors and objects

1.1.1. 5 ml

1.2. soil that is more pink has more nutrients and organic matter

1.3. Nitrogen, Phosphorus, and potassium

2. made of

2.1. weathered rocks

2.1.1. sand

2.1.2. silt

2.1.3. clay

3. types

3.1. desert soil, forest soil, grassland soil and tropical grassland soil