Select the most appropriate option to fill in blank number 2.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. heavy.
- In this context, the appropriate filler for the blank is "heavy."
- The sentence describes the erosion caused by different factors, including river waters, rainfall, and fierce winds.
- The word "heavy" indicates a substantial or significant amount of rainfall, suggesting that the valley experienced intense or abundant precipitation over time.