How did herbert hoover earn the nickname “the great humanitarian? ”

50 points for all (it says history bc archaeology isnt an option) 1. why are the archaeologists using laser scanning technology at petra? 2. describe petra’s site. what does it look like? what does it include? 3. how have archaeologists traditionally believed that the buildings were created from the rock? what did the scanner show about this theory? 4. what discoveries were made in the southern terrace that you might not expect to find in a desert? what did the scans of this area show about petra? 5. what did archaeologists find when doing the ground penetrating radar? why are the findings important? 6. how are technologies changing archaeology?