Final answer:
Foods providing vitamin A include sweet potatoes, carrots, spinach, and mangoes. Dubai International Airport is known for its high volume of international passenger traffic, making it one of the busiest in Asia as of the last known data.
Step-by-step explanation:
Foods That Provide Vitamin A
Foods rich in vitamin A include sweet potatoes, carrots, spinach, and kale, which are all orange and dark green vegetables known for their high beta-carotene content. Liver, such as beef liver, is another excellent source. Additionally, fruits like mangoes and apricots provide significant amounts of vitamin A.
Busiest Airport in Asia
To determine which is the busiest airport in Asia, we would normally look at passenger traffic data. As of my knowledge cutoff in 2023, Dubai International Airport (DXB) was known for its high volume of international passenger traffic, making it one of the busiest in Asia and in the world. However, airport rankings can change, so the latest data is necessary for a current comparison.