Explain why the earliest period of human history is called the Stone Age? What are the two main periods of the Stone Age? ANSWER: Scholars refer to the earliest period in human history as the Stone Age because during this time period humans first began creating tools, weapons, and figures out of stone. The Stone Age is divided into two main time periods: the Paleolithic period and the Neolithic period.

Scholars refer to the earliest period in human history as the Stone Age because during this time period humans first began creating tools, weapons, and figures out of stone. The Stone Age is divided into two main time periods: the Paleolithic period and the Neolithic period.

Explanation:

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including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.