When Robert's great-grandfather was a detective many decades ago, he frequently used the A-B-O system to help solve crimes. How did he MOST likely do this?

the first part of the statute of limitations is the standard deadline, which gives victims of medical malpractice a certain number of years -- usually anywhere from two to six years, depending on the state -- after the malpractice occurred within which to file a lawsuit.

the numbers are even higher.

explanation:

statistics have shown that more that 60% of test takers fail the first time and have to retake the test.