Select the most appropriate option to fill in blank number 1.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. eroded.
- In this context, the appropriate filler for the blank is "eroded."
- The sentence describes the gradual wearing away or removal of material from the valley due to the combined effects of river waters, heavy rainfall, and fierce winds over an extended period.
- The word "eroded" fits perfectly in this context, indicating the process of gradual destruction or wearing down of the valley's features.