Concept:Soil texture describes the proportion of different particle sizes in a soil sample.
Explanation:Soil is made up of particles of different sizes, such as sand, silt, and clay.
Soil texture refers specifically to how these various sizes are distributed in the soil.
It does not refer to water movement, aeration, or just the number of particles.
Therefore, the correct option is the one that mentions distribution of different sizes of soil particles.
Answer:C. Distribution of the different sizes of soil particles