The Neolithic period represents the time when the early scattered group of hunters were gathered and eventually started to live together, forming small villages. They discovered fire and its use, and also started to start cultivate in their places, from which they were able to obtain their food. This is how the humans were able to domesticate the plants and animals during the Neolithic period.
Thus, this period represents the initial time from which the humans started to evolve.
6. found in the upper right of the H-R diagram -- A
7. a very hot and very luminous star --- B
Explanation:
The red giant is a luminous star with a mass in the late period of its stellar evolution and as the outer atmosphere inflated and is tenuous and maks the radius much larger and the temperature up to the 5000k.
While the main sequence is the continuous and a distinctive and is a continuous band of the stars appears in the stellar colors and the brightness. The majority of the stars in the galaxy are formed by these stars and the sun is an example.
While the white dwarf is degenerated and is composed of the hot and the dim stars these have a high density and mass.
