D because it is good luck xx
Answer:
The person who wrote the letter or piece of work is my thought.
Explanation:
Place theory, frequency theory, duplicity theory, and volley theory, have all been provided as explanations for "<u>pitch</u>" perception.
Pitch is the perceptual trait of a sound that relates to its recurrence. Pitch is identified with tone recurrence in unadulterated tones and to the basic in complex tones. Pitch perception enables us to arrange sounds on a melodic scale.There is fractional help for every one of Place theory, frequency theory, duplicity theory, and volley theory, showing that each of the three components assume a job in pitch observation.
The predominant form of social organization in the tropical rain forests of western and central Africa was small-scale societies led by local councils.
In a small-scale society, a person interacts with the same people in almost all social circumstances, but in a large-scale society, a person has a variety of impersonal or part-relationships, some of which are fleeting and others which are enduring, and both of which do not always overlap.
There are generally few such positions in small-scale social organization , and those that do exist tend to be integrated with the ruling class. Agrarian societies, hunting and gathering societies are a few examples of small-scale societies.
People who produce and maintain agricultural goods make up agrarian communities. Another indicator of an agrarian civilization is how well-off a nation is in agricultural output. Thus the small social organization led by local councils are more predominant in the tropical rain forests of western and central Africa.
To learn more about small-scale societies, refer
brainly.com/question/14526578
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Many of Egyptian innovations are still in use today like calender's forms of Geometric principles.
Explanation:
Egyptians were one of the oldest and one of the most advanced civilizations of its time.
It had been able to make advances in calendar and geometry as well as astronomy.
Its greatest asset and one that led the country in to a good civilizing process was their insistence on a system of irrigation.
Their irrigation techniques produced surplus food that was able to become the controlling power for a lot of people in the civilization and it was one of the defining features of their rule.
