When geologists want to study an active earthquake fault, they often rely on a trenching study. ... They brace the walls, if needed, to prevent cave-ins, then they climb down into the trench and carefully map its walls, looking for signs of past earthquakes and ground movement.
Answer:
d. all of the above
Explanation:
The three are cultural symbols of Oklahoma.
The historic Route 66 rans through the middle of the state, including the city of Tulsa, the second-largest in the state.
American Indian heritage is also important in Oklahoma. The entirety of Oklahoma used to be Indian reservation territory, and there are still important Indian reservations there.
Finally, cowboy culture is also remarkable. Oklahoma has been a state with an important livestock sector economy, and cowboys used to be employed en masse in the nineteenth century and early twentieth century.
Answer:
It's used for capturing, storing, checking and displaying data related to positions on the Earth's surface.
Explanation:
Geographic informations system (GIS) is a computer system to capture and store data related to the positions on the Earth's surface.