Final answer:
Building sites with unstable soil, flood plains, or earthquake-prone regions should be avoided due to the geotechnical risks they present. Pier and beam construction is a historical solution for challenging environments like the Deep South. Building on Mercury would face extreme challenges due to its harsh surface conditions.
Step-by-step explanation:
When considering building sites, one must take into account the subsurface conditions as they can pose significant constraints. There are specific types of sites that should be avoided due to potential geotechnical risks. For example, areas with unstable soil, flood plains, or regions prone to earthquakes are not ideal for construction. Moreover, attention must be paid to areas with a high water table, and loose or expansive soils, which can cause foundation problems or increase the risk of land subsidence and structural damage over time.
In history, we have learned from the construction techniques in areas like the Deep South, where pier and beam construction was used to combat heat, humidity, and termites. In the case of building on incompatible sites such as Mercury, issues extend beyond the subsurface, with extreme temperatures, lack of atmosphere, and solar radiation making construction and maintenance a formidable challenge.