Rain water is made available to crops through
- evaporation
- transpiration
- surface drainage
-
root absorbtion
The correct answer is: D
Explanation
Rain water is made available to crops through root absorption. When rain water gets to the soil, it becomes part of soil water which is absorbed through root hairs. It should be noted that the walls of root hairs are permeable and consist of pectic substances and cellulose which are strongly hydrophilic.