Concept:Land in economics includes all natural resources, while man-made productive assets are capital.
Explanation:Bauxite deposits in the ground are natural resources, so they are land.
A lake used for irrigation is naturally occurring, so it is also land.
A grazing field for cattle is provided by nature, so it is classified as land.
A bulldozer is a man-made machine used for production, so it is capital, not land.
Therefore, the item that cannot be classified as land is the bulldozer.
Answer:C. A bulldozer for clearing farm land