Over time, the net effect of weathering is to break rocks into smaller and smaller pieces, which results in an exponential increase in the surface area.
(the net effect of weathering; is; to break rocks into smaller and smaller pieces; T:Over time) (smaller and smaller pieces; results; in an exponential increase in the surface area)
the net effect of weathering smaller and smaller pieces
is results
to break rocks into smaller and smaller pieces T:Over time
in an exponential increase in the surface area