Which major airline started as an agriculture dusting service?

Delta's birth as a crop-dusting company is unique among the U.S. airlines. Taking an entrepreneurial risk, Delta also began passenger service in 1929 without air mail subsidies. Forced to suspend airline operations during the Great Depression, Delta survived and grew into one of the world's largest airlines.

Please give me the brainliest

fmr1 gene that can lead to fragile x-associated disorders.

explanation:

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.