Help?!
I'm hecka confused-

At a continent-continent convergence,

The model of human settlement suggests that uthe model of human settlement suggests that urban growth is patterned around transportation networks such as railroads and highways. a. burgess b. hoyt c. sauer d. von thunenrban growth is patterned around transportation networks

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d