Answer:
the sensorimotor stage is the answer.
Explanation:
Serotonin which is an abnormal chemical activity in the body's endocrine system.
Herzberg studied the relationship between a motivation and job-related factors.
<h3>What is Herzberg theory?</h3>
The psychologist theory states a motivators such as recognition and achievement make the workers more productive, creative and committed.
Hence, its studied the relationship between a motivation and job-related factors.
Read more about Herzberg theory
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Harkhuf in his collection of memoirs portrays four undertakings into Nubia. In the first place, he composes that Pharaoh his ruler sent him together with his dad to Nubia to open the path to that nation and when he returned he brought many blessings from that point. He went a moment on numerous occasions returned with blessings, the third time he returned with three hundred conveying a ton of presents and in conclusion, was the letter from Pharaoh which affirmed that to be sure Harkhuf had been to Nubia and had carried with him a dwarf of the god's moves from Nubia.