Question

how many years " Stones " are old ? and how many days it will take to covert " stone's into Soli " .....

Answer 1

Sand helps establish a good structure in soil by providing air and water spaces where plant roots get a healthy start in life. Gravel has almost no purpose, but as long as everything else works gravel usually isn't a problem either. Rocks. Rocks are usually a pain to dig out and work around but it can be done.Rocks also grow bigger, heavier and stronger, but it takes a rock thousands or even millions of years to change. A rock called travertine grows at springs where water flows from underground onto the surface. ... Water also contains dissolved metals, which can "precipitate" out of seawater or freshwater to grow rocks.

Answer 2

1 billions yrs ago is the ans