Saving an archaeology site that will be flooded by a hydro electric dam.

What are archaeologists looking for when they use aerial photographs to look for places to dig for artifacts?

What technique for looking for artifacts underground is shown in this image?

Archaeologists will look for sites that make the location easy to defend. Which feature listed would not be important?

An artificial mound formed from the accumulated remains of mudbricks and other refuse of generations of people living on the same site for hundreds or thousands of years.

Used for drinking, cleaning, cooking, transportation, and finding food. It is an important to helping find where a dig site may be located?

Dig sites always need access to food supply which factors listed would not connect to a food supply?

Mounds of dirt that are out of place, large stones, old wells or artifacts in the ground can all be found by an archaeology doing this?