Hartsfield-Jackson Atlanta International Airport
O'Hare International <span>Airport
Dallas-Fort Worth International
Airport Denver International Airport
Los Angeles International Airport. </span>
Answer: the answer is Wind
Explanation:
The wind is the main sorce of oxygen for the fuel/carbon
b. barter economy
Simple trading, no money involved. (Also the definition of barter)
Peer pressure and want to fit in with others
Because it has grown so vast that it was no longer feasible to govern all the provinces from the seat of Rome.