The dominant spectral colour in soil indicates:

✅ Explanation:
-Hue is the dominant spectral color or the basic color we perceive, such as red, yellow, or blue. In soil, hue is primarily influenced by the mineralogy and the presence of organic matter.
-For instance, reddish hues often indicate iron oxides, while dark brown or black hues are associated with high organic matter content.

📌 Other Options Explanations:
-Option B: Value: Value refers to the lightness or darkness of a color. In soil, it is influenced by factors like moisture content and the presence of salts.
-Option C: Chroma: Chroma refers to the purity or intensity of a color. It is affected by the amount and type of pigments present in the soil.