Is a bending of a waves when they enter a new medium at an angle

They said i have got a sign of tuberculosis what should i do

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism