What is common to all
of them? Select the most
appropriate name.
A. Soil erosion controlling
methods.
B. Traditional water
harvesting methods.
C. Modern methods of
irrigation.
D. All of them.
of them? Select the most
appropriate name.
A. Soil erosion controlling
methods.
B. Traditional water
harvesting methods.
C. Modern methods of
irrigation.
D. All of them.