Which of the following is/are the chief characteristics of commercial grain farming of the middle latitude grasslands?
1. The size of farms are generally large.
2. Cultivation is highly mechanized.
3. It is a type of extensive farming.
Select the correct answer using the code given below:

Options

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

Answer

C