Which medium causes the greatest change in the direction of a light ray that enters at an angle?

The highest common factor of 132 and 220

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

10% of 1,900,000. show me how you got the answer