题目
单项选择题
Which of the following is NOT an ecosystem service provided by soil?以下哪项不是 土壤提供的生态系统服务？
选项
A.a. 一个。Medium for plant growth 植物生长培养基
B.b. Supports structures 支撑结构
C.c. Cycles Nutrients Cycles 营养素
D.d. Regulates water flow 调节水流
E.e. 和。Creates fossil fuels 创造化石燃料
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标准答案
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思路分析
Let's examine each potential soil ecosystem service in turn, noting what soil typically provides and what it does not.
Option a: Medium for plant growth. Soils are fundamental substrates that supply roots with nutrients, water, and physical support, which makes them a key medium for plant growth. This is a well-established ecosystem service.
Option b: Supports structures. Soil......Login to view full explanation登录即可查看完整答案
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