What did Lewis and Clark each do for a living before the expedition?

Lewis knew that exploring the Louisiana Territory would be no small task and began preparations immediately. He studied medicine, botany, astronomy and zoology and scrutinized existing maps and journals of the region. He also asked his friend Clark to co-command the expedition. I hope this is helpful :)

most are appointed by the president and confirmed by a vote in the senate. however, appeals court judges appoint federal bankruptcy judges, and district judges appoint federal magistrate judges. the qualifications for these positions vary depending on the preferences of the person reviewing nominees.

hope this , give me brainliest answer = )

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)