Question

Which statement about soil color is true?
1. Soils vary in color based on their depth.
2. Soils do not vary in color based on their depth.
3. Soils close to Earth's surface are always darker.
4. Soils far from Earth's surface are always darker.

Answer 1

4. Soils far from Earth's surface are always darker.

Answer 2

Actually its 1. Soils vary in color based on their depth. :)