Select the correct pair amongst the following

Options

A. Spring wood - light colour , high density
B. Spring wood - dark colour , low density
C. Autumn wood - light colour high density
D. Autumn wood - dark colour , high density .

Answer

**Step-by-Step Solution:**

1. **Understanding Spring Wood:**
- Spring wood is formed during the spring season.
- It is characterized by a lighter color and lower density compared to other types of wood.

2. **Understanding Autumn Wood:**
- Autumn wood is formed during the autumn season.
- It is characterized by a darker color and higher density compared to spring wood.

3. **Analyzing the Options:**
- **Option 1:** Spring wood is a lighter color but claims to have high density. This is incorrect because spring wood has low density.
- **Option 2:** Spring wood is described as dark color. This is incorrect as spring wood is lighter in color.
- **Option 3:** Autumn wood is described as lighter color with high density. This is incorrect because autumn wood is darker in color.
- **Option 4:** Autumn wood is described as dark color and high density. This is correct as autumn wood is indeed darker and has higher density.

4. **Conclusion:**
- The correct pair among the options is **Option 4: Autumn wood is dark color, high density.**

---