Select the most appropriate option to fill in blank no. 3.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. damaged.
Context: The sentence says, “By the 1930s, more than 282 million acres of farmland were ________ by erosion.”
Erosion by wind and water causes harm to farmland, not improvement or purification.
Meaning of the words:
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Purified: made clean or free from impurities.
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Damaged: harmed or destroyed partially.
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Developed: made something better or more advanced.
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Improved: made something better in quality.
Correct word: The word “damaged” perfectly describes what erosion does — it harms the farmland by removing the topsoil and reducing fertility.
Reason: Erosion cannot purify, develop, or improve land; it destroys and weakens it. Hence, “damaged” fits logically and grammatically.
Final Sentence: By the 1930s, more than 282 million acres of farmland were damaged by erosion.
Hence, the chosen option is correct.