题目内容

About fifty percent of the total volume of a good quality soil consists of pore spaces.

查看答案

搜索结果不匹配？点我反馈

更多问题

The A horizon of a soil is also called the topsoil.

Oxidation is an important mechanism in decomposing such ferromagnesian minerals as olivine, pyroxene, and hornblende.

Biological activity has little influence on the process of weathering

The physical breakdown and chemical alteration of rock at or near Earth's surface is called erosion.