How do these issues compare and contrast with priority issues in the United States, as identified by the EPA? Which environmental priorities do you think are the most important for the world to address?

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.