Early on in its history, Southwest Airlines did not assign a seat number. Instead, they issued a letter that placed them in a boarding queue. Southwest Airlines’ method of not assigning passengers a specific seat number would be considered a innovation.

for (a) a tragedy was considered a main greek drama and it influenced alot of others. for (b) the actors in greek theater were named as aeschylus, sophocles, and euripides and sometimes playwrites. for (e) in a semi-circular theater called the "orchestra.". we'll the question was explain where the namer actors originated.

hope this : d

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.