C is your answers to the question
Answer: Desertification and soil erosion.
Answer:
Option E is not correct.
Explanation:
The time of the day will have a direct impact on the results of this survey.
If the survey is conducted at midnight, the number of cars may not even reach 25. A high school usually is more concurred between class hours, therefore, is recommendable to conduct the survey between those hours. Thus, the statement is NOT correct.
