The male reproductive system has the job of producing viable sperm for fertilizing a female ovum. For the sperm to survive the parts of the system must work properly. Which parts of the male reproductive system are contained in the scrotum?
A:Penis and prostate gland
B:Prostate gland and vas deferens
C:Epididymis and urethra
D:Testes and epididymis

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !