Mr. McNiece wanted to see how different types of music affected students' pulse rates. He played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. Identify the dependent variable. A. high pulse rate
B. Mr. McNiece
C. classical music resulted in the highest pulse rate
D. types of music
E. pulse rate

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action