Question: what are the 3 physical properties of soil?
Answer: 4.1 Texture: Texture refers to the relative proportions of particles of various sizes such as sand, silt and clay in the soil. ... 
4.2 Structure: ... 
4.3 Consistence: ... 
4.4 Partiole density. ... 
4.5 Bulk density. ... 
4.6 Pore space: ... 
4.7 Atterberg limits: ... 
4.8 Soil colour: