According to the principal of wave refraction, when light from the atmosphere enters a medium of greater density at an oblique angle its a. velocity speeds up but angle remains the same b. velocity remains the same but angle changes c. velocity slows down but angle remains the same d. velocity slows down and angle changes

d. velocity slows down and angle changes

Explanation:

i don't know that i agree with that but what's the question ?

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.