Why is New Orleans a gateway to the world for the South?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics? he proposed that plates carry parts of the seafloor. he theorized that pieces of earth move for a limited time. he suggested that the asthenosphere is broken into segments. he observed seafloor cracks similar to existing cracks in the continents.

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

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