What is mainly discussed in the passage? [br] Why are small green plants very im

游客2023-10-07 52

问题 What is mainly discussed in the passage? [br] Why are small green plants very important to dry places?
They help keep ______ and prevent

选项

答案 water in the earth和the wind from blowing the dirt away

解析从第3段第5、6句话可知答案。

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