As a result of alfred hershey and martha chase’s work, the scientific community finally agreed that a-bacteriophages transform virulent viruses into non-virulent forms b-dna is the genetic material c-virulent s-strain bacteria can be transformed into non-virulent forms using radiation d-enzymes, such as dnase, are safe to use in genetic experiments

dang you just copied and pasted

explanation:

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

idk lol use google m8