7. Which airport has emerged as the world's busiest airport for 2021 as per the survey of ACI World? A.Guangzhou Bai Yun International AirportB.Hong Kong International AirportC.Hartsfield-Jackson Atlanta International Airport (ATL)D.Shanghai Pudong International Airport
Explanation: The Airports Council International (ACI) World [Headquarter- Montreal, Canada] released the list of the top 10 busiest airports worldwide for 2021. Hartsfield-Jackson Atlanta International Airport (ATL, 75.7 million passengers, +76.4%) is back at the top of 2021 rankings, followed by Dallas/Fort Worth International Airport (DFW, 62.5 million passengers, +58.7%), and Denver International Airport (DEN, 58.8 million passengers, +74.4%). After reaching the top rank in 2020, Guangzhou Bai Yun International Airport (CAN, 40.3 million passengers, -8.0%) slid to the eighth position in 2021.
