Answer:
Orogeny is the process of mountain building, and may be studied as a tectonic structural event, as a geographical event and a chronological event, in that orogenic events cause distinctive structural phenomena and related tectonic activity, affect certain regions of rocks and crust and happen within a time frame.
Step-by-step explanation:
Mineral growth occurs due to the accumulation of food substances in the cells which in turn increases the volume of the protoplasm in the cells. This increase in the volume of cells results in growth.