In 1939, who wrote a letter to president roosevelt alerting him to "a new and important source of energy" developed by scientist in the united states?

2 is armenia i think

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 = )