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TOEFL
Change examComplete the Words designed to build passage comprehension, evidence use, and efficient reading decisions.

What you will practice
Topic: Earth Science · Complete the Words
Passage preview
Farmers in mountainous regions have long reshaped slopes into a series of level terraces. Each platform slows runoff and gives water more time to enter the soil. Stone or earthen walls also reduce erosion by shortening the distance that loose material can…
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