False a watershed is an area of land that contains a common set of streams and rivers that all drain into a single larger body of water
The correct choice is the third movement of continents
The Hershey–Chase experiment was based on a bacteriophage T2 (a virus), to that DNA is the genetic material. Bacteriophage T2 attacks bacterium and makes its copies. Based on the experiment, Hershey and Chase deduced that it is the DNA of virus enters bacteria to make virus copies. To trace viral DNA, Hershey and Chase label DNA with ³²P (radioisotope of phosphorus) because phosphorus is not present in most of the proteins.
Ok this might not be the best answer but just by reading it, it may be unreliable because numbers do change over time
