第 1 题
1 分What is a likely environmental impact of soil erosion on nearby water bodies?
Cambridge IGCSE · Environmental Management (0680)
Causes and impacts of soil erosion：练习题
5 道选择题即时批改，另有 5 道文字题附完整解题步骤，全部围绕「Causes and impacts of soil erosion」。
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第 2 题
1 分Which sequence of events best describes the process of desertification caused by overgrazing in semi-arid regions?
第 3 题
1 分Soil erosion from agricultural land often leads to the silting of rivers. Which of the following is a direct environmental impact of this process on the river ecosystem?
第 4 题
1 分Which of the following human activities is a primary cause of soil erosion through the removal of natural vegetation?
第 5 题
1 分Which of the following best describes the sequence of events leading from soil erosion to famine in an agricultural community?
第 6 题
2 分Explain how silting in rivers is a direct impact of soil erosion on the environment.
先自己写一遍答案，再对照解题步骤。
第 7 题
4 分Identify two ways in which overgrazing by livestock acts as a primary cause of soil erosion.
先自己写一遍答案，再对照解题步骤。
第 8 题
5 分Discuss the impact of the silting of rivers as a consequence of upstream soil erosion on aquatic ecosystems.
先自己写一遍答案，再对照解题步骤。
第 9 题
4 分(a) Define soil erosion.
(b) Identify two natural agents responsible for the movement of topsoil.
(c) State one human activity, other than farming, that can increase the rate of soil erosion.
先自己写一遍答案，再对照解题步骤。
第 10 题
6 分The loss of topsoil can have devastating effects on human populations.
(a) Explain the link between soil erosion and the silting of rivers.
(b) Discuss how this process can lead to malnutrition and famine in rural communities.
先自己写一遍答案，再对照解题步骤。
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