Cold soils are considered to be

Options

A. physically dry
B. heavy soils
C. physiologically dry
D. acidic soils

Answer

To answer the question "Cold soils are considered to be," we will analyze each option and understand the characteristics of cold soils.

### Step-by-Step Solution:

1. **Understanding Cold Soils**:
- Cold soils are typically found in regions with high altitudes and high latitudes, such as polar deserts in the Arctic. These areas experience low temperatures, which affect the soil's physical and chemical properties.

2. **Analyzing the Options**:
- **Option A: Physically Dry**: This term refers to the absence of moisture in the soil. While cold soils may have low moisture levels due to freezing temperatures, this term does not fully capture the nature of cold soils.

- **Option B: Heavy Soil**: Heavy soils usually refer to clay-rich soils that retain water. Cold soils can vary in texture and are not necessarily heavy.

- **Option C: Physiologically Dry**: This term indicates that even if there is moisture present in the soil, it is not available for plant uptake due to low temperatures. Cold soils often have water that is frozen, making it physiologically dry for plants.

- **Option D: Acidic Soil**: While some cold soils can be acidic, this is not a defining characteristic of all cold soils.

3. **Conclusion**:
- After analyzing the options, the most accurate description of cold soils is **Option C: Physiologically Dry**. This is because the cold temperatures prevent water from being available for plants, even if moisture is present in the soil.

### Final Answer:
Cold soils are considered to be **physiologically dry** (Option C).