Concept:In farmstead planning, buildings meant for human habitation are placed on the highest available land.
Explanation:The farmhouse is the living quarters of the farmer.
It should be located on high elevation so the farmer can have a good view of the entire farm.
A high location also helps keep the house safe from flooding and improves air flow.
Structures like the fish pond, pigsty, and processing shed have different siting requirements and do not need the highest elevation.
Therefore, among the given options, the farmhouse is the structure to place on high elevation.
Answer:B. farmhouse