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

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

b. would be the answer if not try c

hope this correct me if my answer is wrong if i am correct can you plz give me brainliest

: ) : 0 : o : d

explanation: