As the first member of the csi team to arrive on a crime scene, you discover several first responders have been on the scene and left with the victim. what should be your first action when arriving on the scene? a) secure the crime scene b) take photographs of the crime scene c) obtain the names of all the first responders d) outline the approximate location of the victim

They're wrong, The right answer is A) Secure the crime scene

Explanation:

You don't take pictures before you close off the area

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."

the answer to your question is tooth decay.