What does the amount of refraction of a wave depend on? A change in wave speed
B location of the normal line
C. size of the object
D size of the opening between objects

Part b forty-year-old kyle wants to start investing for retirement. he wants to select a personal investment plan that will allow him to withdraw funds without paying penalties and taxes once he turns 59.5. which retirement plan should he choose? a. traditional ira b. roth ira c. 401(k)