Answer:
Geology refers to the study of the earth's physical and chemical processes, how they occurs and what are its effects. It explains how the earth has formed over millions of years. It also describes the internal structure of the earth and the study of the rocks and its minerals. It is a vast subject that is related to physics, chemistry, and biology.
The basic concept of geology must be known to all because earth undergoes various changes with time. Some of the events that occur at different places on earth are earthquakes, tsunamis, floods, hurricanes and so on and the conditions under which these processes occur must be known to all. It provides an idea of how to be away from such destructive processes.
Thus, geology is a very important subject and one must have basic knowledge about it.