Answer:
was not a new energy source that was developed to power the new machinery
It made it easier to transport materials to all of the cities
Answer:
The answer is generalization training.
Explanation:
The process of generalization takes place when a person shows similar behaviours to the target behaviour, only in slight different ways or places. For example, teaching a child to use a spoon may also result in him learning to use a fork by himself.
In this passage, the mother uses positive reinforcement to teach Davey the main features of trees. Learning the characteristics of one tree also results in the recognition of other trees.
