(02.06 HC)During a self-exam, Alina notices that a mole on h…

(02.06 HC)During a self-exam, Alina notices that a mole on her skin has increased a bit in size and seems a little bit thicker than it was before. She’s always had this mole for as long as she can remember, but now it seems to be growing. Should she make an appointment with her dermatologist to have it checked?

(03.03 MC) An underwater scuba diver looks up toward the wat…

(03.03 MC) An underwater scuba diver looks up toward the water’s surface. She sees a buoy floating on the surface and notes its location. She then realizes that the buoy may actually be in a different location because she is looking at it from underwater. What is the wave property that best explains this phenomenon? (3 points)