Jim and John Are Both 17, and Both Are 180

question 80

Multiple Choice

Jim and John are both 17, and both are 180 cm tall. What can we conclude about Jim and John and their growth spurts?

• A) They both experienced the growth spurt late.
• B) They both experienced the growth spurt early.
• C) They are very likely to be biologically related.
• D) We know nothing about the growth spurts of these young men.