Which of the following theories explains why the edges of africa and south america fit together like two pieces of a puzzle?
a. endosymbiosis
b. macroevolution
c. plate tectonics
d. punctuated equilibrium

The earth's internal process which drives seafloor spreading is

When geographers describe how two places are related to each other spatially, they are describing a. where the places are located in relation to one another b. what kinds of natural environments are around each place c. how each place is changing over time d. what kinds of cultures are in each place

Countries in this region are trying to achieve development. a. attainable c. sustainable b. suspendable d. intangible