PLS HELP i will make you the brainliest! 1) In order to see the sides of underwater hills, scientists use to get an angle view of the ocean floor.

2)You would expect to find beaches along the continental .

3)Caverns, lakes, sinkholes and springs are types of formation.

4)A is found on the sea floor of the continental slope.

The hershey and chase experiments involved the preparation of two different types of radioactively labeled phage. which of the following best explains why two preparations were required? a. the bacteriophage used in the experiments was a t2 phage. b. it was necessary that each of the two phage components, dna and protein, be identifiable upon recovery at the end of the experiment. c. each scientist had his own method for labeling phage, so each conducted the same experiment using a different isotope. d. establishing the identity of the genetic material required observation of two phage generations.