Final answer:
Spatial analysis, comparing photographs, and archaeological excavations can help show differences between files and locations at a point in time.
Step-by-step explanation:
When comparing files and locations at a point in time, spatial analysis can help show the differences. Spatial analysis is the examination of geographic patterns and relationships and can be used to evaluate changes in human and physical characteristics over time. For example, using historical maps and data, geographers can analyze the development of cities and identify changes in land use, population density, and infrastructure.
Another method is comparing photographs taken at different periods. By examining old photographs and comparing them to current ones, we can observe changes in the built environment, vegetation, and human activities. This visual evidence can provide insights into past events and their impact on the present.
Lastly, archaeological excavations can reveal information about past human activities and the physical characteristics of a location. By analyzing artifacts, structures, and soil layers, archaeologists can reconstruct the past and gain a deeper understanding of how a place has changed over time.