Which of the following statements regarding red soils of India is/are correct?
1. The colour of the soil is red due to ferric oxide content.
2. Red soils are rich in lime, humous and potash.
3. They are porous and have friable structure.
Select the correct answer using the code given below:

Options

A. 1 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3