What are the duties and qualifications of federal Supreme Court justices?

They hear cases and controversies arising under the Constitution or U.S. law and controversies that involve the United States as a party of entities and parties of different states, that are appealed from federal courts or state courts.

What Traits Should Every Supreme Court Justice Have?

   Collegiality. Justices can serve on the Supreme Court for life, so it's vital they get along with and respect one another. ...

   Intelligence and modesty. ...

   Respect for the court. ...

   Varied backgrounds. ...

   What not to do.

Explanation:

to answer this question you need to explain more

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.