Concept:A fertile soil can be recognised by properties such as organic matter content, colour, and texture.
Explanation:Soil fertility is the ability of soil to supply nutrients and support plant growth.
The amount of organic matter directly adds nutrients and improves soil structure.
Colour is an indicator: dark soil usually contains more humus and is often fertile.
Texture shows the balance of sand, silt, and clay, which affects water and nutrient holding.
All three factors help describe a fertile soil, so all must be included.
Answer:D.
I,
II and
III only.