Artifacts because they’re old relics
The most important resource would be water.
How long does a federal judge stay on the bench? According to the U.S. Constitution, most judges of Article III courts enjoy life tenure (the Constitution says they may hold office “during good Behaviour”). As explained below, they may be removed from office by Congress, but that is very rare.
Personification because the sun can't actually sleep and the ocean doesn't actually have arms.