Activities of Organisms plants roots help break-up rocks by widening cracks acids produced by decaying plant material and the organisms feeding on it help dissolve cements and rocks (e.g. limestone).
(Activities of Organisms plants roots; help; break-up rocks) (cracks acids; produced; by decaying plant material and the organisms)
Activities of Organisms plants roots cracks acids
help produced
break-up rocks
by decaying plant material and the organisms