What does lowercase letter “g” indicates?Group of answer choicesaccumulation of carbonatesstrong gleying (mottling)highly decomposed organic matterfrozen soil

The lowercase letter "g" is used in soil classification to indicate the presence of strong gleying, which refers to the condition of soils that are waterlogged and exhibit mottled colors due to poor drainage. Gleying typically results in a blue-grey color, with mottles that can appear as brighter or darker spots, indicating fluctuations in moisture levels and reducing conditions.

Explanation of Other Options

1. Accumulation of Carbonates: This is indicated by the letter "k" in soil terminology.
2. Highly Decomposed Organic Matter: This is typically represented by "h."
3. Frozen Soil: This situation is generally represented by “f.”

In summary, in soil classification, "g" specifically denotes strong gleying (mottling), making it crucial to understanding soil characteristics and behaviors, especially in wetland and poorly drained environments.