The correct answer is letter D
A Turning Point is a particular time or incident that marks the beginning of a completely new stage in someone's life or in the development of something.
This turning point is always used to refer to major historical changes, such as the end of certain eras for the beginning of a new era, such as the middle and modern ages, in this turning point there were major changes in society.
The answer to the item that you posted is letter A. The Olduvai Gorge in Tanzania is the site of many findings of the earliest humans. It is also one of the important sites to which many had learning and understanding about the human evolution.
Hmm well I donot see the timeline.
the answer is b im sure i took the test
The answer is B) it continued to grow
hope this helps :)