Does soil become thinner the longer it forms

No, but it depends solely on the physical conditions the soil is in. For instance, soils are thinner when there there's less to no weathering. On flat, low-lying lands, soils are thicker. On steep slopes, soils are thinner.

Have a lovely day.

- jthao6

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.