Carefully study the eruption visible in this figure, paying close attention to the
appearance of the rocks produced when the lava solidifies and the pyroclastic materials
fall to earth. Based on your analysis, would you say that the volcano has more layers of
solidified lava or more layers of pyroclastic deposits? What does your answer mean for
the kind of eruption style: quiescent or explosive?
Compare and contrast major floods in a humid environment (i.e., along the Mississippi
River) against those in a desert environment.
Compare and contrast the state of soil development at the following three locations:
mountaintops, foothills, bottomlands.