一道植物学的题~英语的A mesquite root is found penetrating a mine shaft about 150 feet below the surface of the soil.How might you determine when the root first grew into the shaft (mesquite is a woody plant )

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一道植物学的题~英语的A mesquite root is found penetrating a mine shaft about 150 feet below the surface of the soil.How might you determine when the root first grew into the shaft (mesquite is a woody plant )
一道植物学的题~英语的
A mesquite root is found penetrating a mine shaft about 150 feet below the surface of the soil.How might you determine when the root first grew into the shaft (mesquite is a woody plant )

一道植物学的题~英语的A mesquite root is found penetrating a mine shaft about 150 feet below the surface of the soil.How might you determine when the root first grew into the shaft (mesquite is a woody plant )
A mesquite root is found penetrating a mine shaft about 150 feet below the surface of the soil.
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一棵豆科灌木的根找到一个矿井是在地下150尺.
How might you determine when the root first grew into the shaft (mesquite is a woody plant )

你能测定多少力量当根第一次长进矿井(豆科灌木是一种木质植物)
就是这样了,记得加分哦!