Taking a Complete Set of Photographs of a Large Region

Multiple Choice

Taking a complete set of photographs of a large region (like a state) using aerial photography

A) is still the best way to gather detailed information in a short amount of time.
B) allows for the study of landscape change on short timescales.
C) allows geographers to watch changes taking place in the landscape as they happen.
D) only happens about once a decade, or at best sporadically.
E) is the preferred way to gather large-scale information.