<span>Tyree's increase in speed illustrates "</span><span>Social facilitation".
Social facilitation refers to the propensity for individuals to perform distinctively when within the sight of others than when alone. Contrasted with their execution when alone, when within the sight of others, they have a tendency to perform better on straightforward or all around practiced assignments and more regrettable on unpredictable or new ones.
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Answer: The Tang Dynasty
Explanation:The Tang Dynasty ruled Ancient China from 618 to 907. During the Tang rule China experienced a time of peace and prosperity that made it one of the most powerful nations in the world. This time period is sometimes referred to as the Golden Age of Ancient China.
Answer: Option 'b' is correct.
Explanation:
Workers originally formed unions with the help of which they can protect themselves from intolerable work conditions and unfair treatment such as low wage, late working hours, exploitation, unhygienic working condition, unsafe atmosphere etc.
And many workers had problems with their leaders or managers due to membership in unions.
Hence, Option 'b' is correct.