what is the second largest city in Arizona by population?
Tucson
what is its nickname?
Optics Valley
how many companies manufacture or design optics there?
150
what county is Tucson in?
Pima County,
what are the Hohokam known for?
vast irrigation canal systems
do they also make pottery?
yes
what kind of crops did early agricultural people grow?
corn and beans
where is the university of arizona?
Tucson
how far is it from Phoenix?
108 miles (174 km) southeast of Phoenix
how close is it to Mexico?
60 mi (97 km) north of the U.S.-Mexico border.
who visited Tucson first?
Paleo-Indians,
what is the 2010 population estimated to be?
520,116
how far back is the date of the village that archaeologists found?
2100 BC