Which of the following is correctly matched?
1. Entisols – Immature soils that lack the vertical development of horizons.
2. Aridisols – soils that develop in very dry environments.
3. Mollisols – soils common to grassland environments.
1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3