[问答题]
The image shows a cross-section of the
mt2 yn+h pg cy8v4xz vt l1auu*5n)+4f vascular tissue of a woody dicot stem,
(h/raool9, ry showing the annual rings of phloem a
ylh/rr(,oo9 and xylem.
Explain how the properties of water allow it to be transported in the xylem.
Describe a physical property of water, other than those that are important for the movement of water through the plant, that makes water essential for the survival of plants.
Outline why plants cannot use water to transport lipids.
If the temperature drops to -1$^{\circ}$ for a few hours suggest a reason why the water in xylem may not freeze.
