Could lons reach the xylem entirely by means of the apoplast pathway?

Explanation

### Step-by-Step Solution:

1. **Understanding Pathways of Water and Ion Absorption**:
- In plants, water and ions are absorbed from the soil through the roots and transported to the xylem. There are two main pathways for this transport: the apoplast pathway and the symplast pathway.

2. **Defining the Apoplast Pathway**:
- The apoplast pathway involves the movement of water and ions through the cell walls and the spaces between cells. This pathway is characterized by low resistance to the flow of water.

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