Which of these provides the most creative method to date rocks based on their position in a layer? select one: a. law of superposition b. law of unconformities c. principle of uniformitarianism d. principle of original horizontality

Consider a production line with five stations. station 1 can produce a unit in 9 minutes. station 2 can produce a unit in 10 minutes. station 3 has two identical machines, each of which can process a unit in 12 minutes (each unit only needs to be processed on one of the two machines. station 4 can produce a unit in 5 minutes. station 5 can produce a unit in 8 minutes. which station is the bottleneck station?