The Volley's principle states that in response to sound waves of frequencies between a few hundred and 4,000 cycles per second, groups of neurons take turns firing to transmit sensory information about pitches.
Volley theory states that groups of neurons of auditory system respond to a sound by firing action potentials slightly out of phase with one another so that when combined , a greater frequency of sound can be encoded and sent to the brain to be analyzed.
Some example of this can be seen in Guinea Pig and cat models.
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Answer:
A. To begin the Great Wall and gain public support
Explanation:
Qin Shihuangdi believed that building a wall would help prevent invasions and it would make the people feel more safe
The economy is industry-based. The society is divided into a number of classes for example, the capitalist, the workers and the petty shopkeepers.
(b) Emergence of a number of professional and technical jobs requiring special knowledge and training.
(c) Rapid means of transport and a wide network of communications has been developed.
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