Context: Read the text. Then answer the question.
Many different features cover Earth's surface. In some places, hills and mountains rise high above the surrounding land. In other places, valleys and canyons drop far below.
Elevation is the height of a location compared to sea level. Elevation is usually measured in feet or meters.
Use the image to complete the sentence.
The tops of the mountains are at () the valley below.
A. the same elevation as
B. a lower elevation than
C. a higher elevation than
Answer with the option's letter from the given choices directly.
Answer: C