Câu hỏi và đáp án bài nghe Test 4 section 4 - IELTS Cambridge 11 - The use of soil to reduce carbon dioxide (CO2) in the atmosphere

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Questions 31-40

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Write ONE WORD ONLY for each answer.

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The use of soil to reduce carbon dioxide (CO2) in the atmosphere

Rattan Lal:

• Claims that 13% of CO₂ in the atmosphere could be absorbed by agricultural soils
• Erosion is more likely in soil that is 31 ..............................
• Lal found soil in Africa that was very 32 ..............................
• It was suggested that carbon from soil was entering the atmosphere

Soil and carbon:

• plants turn CO₂ from the air into carbon-based substances such as 33 ..............................
• some CO₂ moves from the 34 .............................. of plants to microbes in the soil
• carbon was lost from the soil when agriculture was invented

Regenerative agriculture:

• uses established practices to make sure soil remains fertile and 35 ..............................
• e.g. through year-round planting and increasing the 36 .............................. of plants that are grown

California study:

• taking place on a big 37 .............................. farm
• uses compost made from waste from agriculture and 38 ..............................

Australia study:

• aims to increase soil carbon by using 39 .............................. that are always green

Future developments may include:

• reducing the amount of fertilizer used in farming
• giving farmers 40 .............................. for carbon storage, as well as their produce

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Section 4, Questions 31-40

31. dry
32. hard
33. sugar/sugars
34. roots
35. moist/damp/wet
36. variety
37. cattle
38. gardens/gardening
39. grasses
40. payment/payments/money