What are the 3 main types of air pollutants produced by electrical power plants in the us?

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

In an experiment, how can i change human errors? be specific.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot