Prison labor is a form of unfree labor. It is the forced labor done by the convicts in a prison. The prisoners may have to do even hazardous labor.
the answer is: The neutral stimulus causes no response.
Without being paired by any situation, neutral stimulus would not mean anything to the subjects. Because of this , the subjects would normally just ignore the neutral stimulus every time they face it.
But, when the neutral stimulus is paired with a certain situation (such as ringing a bell before giving foods to dogs), the dogs will associate the neutral stimulus with the positive reinforcement. To the point where the neutral stimulus transformed into a conditioned stimulus, which make the dogs'mouth to start watering every time they hear the bell.
Answer:
It had almost exclusive control of the world's supply of nickel and used to make nickel products
Explanation:
INCO (International Nickel Mining Company of Canada) was the major producer of nickel during the 20th century. It was purchased by the Brazilian company Vale in 2006. It is now based in Toronto and handles Vale's mining operations worldwide, it now produces platinum, rhodium, ruthenium, gold and silver. Prior to 2006 it was second largest producer of nickel and was also as member of Dow Jones Industrial Average.