2. Observe: Click Play, and then click Pause after the green S-wave hits the station. A. At what time did the S-wave hit?

"griffith's experiment discovering the "transforming principle" in pneumococcus bacteria. griffith's experiment, reported in 1928 by frederick griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation." - griffith's experiment.

answer; i believe that the correct answer is (light);