Concept:A ridger performs the same function as the illustrated hoe by mounding soil into heaps or ridges.
Explanation:The illustrated farm tool is a hoe, commonly used for making heaps and ridges in crop production.
Among the options, a ridger is specifically designed to mound soil and form ridges.
A plough is used for primary tillage, while a harrow breaks clods and levels soil.
A cultivator is used for secondary tillage and weed control, not for making ridges.
Therefore, the ridger matches the function of the illustrated hoe.
Answer:Option C. ridger
