Pls fill in the blank

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii