![](data:image/svg+xml;charset=utf-8,<svg height="300px" width="600px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
Major source of oil moisture is
Options
(a) rain water
(b) underground water
(c) river water
(d) atmospheric humidity
Correct Answer:
rain water
Explanation:
It is mainly rain water which is retained by soil. Sand can retain very less water and clay soil can retain maximum water.
