Which statement correctly describes the song dynasty?

the dynasty established civil service exams to identify the best workers for government positions.

the dynasty encouraged artists in different fields to produce jade carvings and porcelain sculpture.

the dynasty created a vast empire that stretched from the east china sea far into western china.

the dynasty promoted virtuous leaders and scholars who studied the teachings of confucius.

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion

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

the united states began searching for a way to reduce oil

-agarvated