someone please please help me with this I would really appreciate it with a explanation ! (No links )

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass