Answer:
Option (D)
Explanation:
Historical geology usually refers to the study of the changes and the variation that occurs at or below the surface of the earth. In simple words, it mainly involves the study of past events. This includes the variation and evolution of different life forms that existed on earth over a time of about 3.8 billion years until the present. It basically comprises the important part of geology namely Paleoclimatology, Paleontology and Paleoseismology. This historical geology is also known as Paleogeology.
Thus, historical geology involves the biological changes that occur over a definite time.
Thus, the correct answer is option (D).
Answer:
The star is a member of an eclipsing binary star system
Explanation:
- A careful explanation about the measurement reveals that the star maintains a steady and apparent shape of brightness and at most of the time remains brighter.
- With and usual intervals of about the 73 hours and then the star becomes contestant dimmer for about every toe hours and is due to the fact that the star is a member of the eclipsing system.
The Industrial Revolution made work be more regimented and less skilled. Instead of working for yourself, at your own pace, you had to work for a boss and work when and how hard that boss told you to. This made workers feel much less independent than they once had.
As for conducting business, things also became much more impersonal and regimented. Instead of conducting one's business as boss to a few apprentices and journeymen, a factory owner would now need to manage hundereds of employees.
So, in general, the Industrial Revolution made the workplace much more impersonal and took away the independence of the workers it employed.
Wind and erosion overtime
