What is a "sound bite"? O All of the above
O Sound clips used to convey the message of an entire speech
When a politician uses the media to attack his/her opponent
O An event staged by a political to convey a message through the media

b

Explanation: mark brainliest

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain