Which is not a precaution taken at nuclear power plants to ensure safety? pls ! a. enriched uranium is the fuel source b. safety systems are built into them c. processes are carefully monitored d. all parts are kept in good repair

low  

explanation:

cause i said   ╾━╤デ╦︻

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."