Question

why is the cell sap of the root hairs is more concentrated as compared to soil water​

Answer 1

Answer:

because so to water move into it.

Answer 2

Answer:

A root hairs contain cell sap of a higher concentration than that of the surroundings soil water. That means there is less water potential inside the cell and high water potential in the soil. This difference sets off osmosis and outside water diffuses into the root hair.