Answer:
a
Explanation:
an area of flat, dried-up land, especially a desert basin from which water evaporates quickly.
Question Options:
A. the creation of a new nation
B. the creation of a new state
C. a drastic boundary change
D. a small boundary change
Answer: He is witnessing a small Boundary Change.
A boundary change in geography is a change in a real or imaginary line or location.
The River was flowing towards the United States initially then changed towards Mexico. This is classified as a small change because he was tracking only a particular area of the
river.
C. Wind, it takes nothing to use wind which means it does not put out harmful emissions into the atmosphere.
The principle of uniformitarianism states that geologic processes that we observe today occurred in the same way in the past. The correct option among all the options that are given in the question is the last option. Incidents such as floods, hurricanes and huge storms have not occurred only in the present time, but it has been occurring in the past as well.