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GMAT TOEIC IELTS TOEFL

TOEFL® Vocabulary Practice

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definition: 
Make (soil or land) more fertile or productive by adding suitable substances to it.
sentence: 
At the end of the nineteenth century, burning forest biomass to clear land and fertilize the soil was used only occasionally on the Continent.
difficulty: 
easy
toefl frequency: 
2
toefl classification: