Answer:
correct answer is Viking Age
Explanation:
Viking is a Scandinavian explorer and trader and the warrior as they are traded and explore
and they settled across a large part of Asia and Europe and the North Atlantic island in 8th to the middle of 11th century
and on 8 June 793, in England, Viking destroy abbey on Lindisfarne and centre of learning on the island off the northeast coast of the England
so correct answer is Viking Age
Answer:b) shaping
Explanation:
When an organism is taught a new behavior by gradually reinforcing behavior that is in close approximation to the desired behavior, until the behavior is completely learnt. The desired behaviour here is that the rat must eventual touch the lever but to get there small approximate behavior are slowly reinforced starting with first getting it close to the lever first , then when it has leaned that it can then be taught to stand until the desired behavior can be finally introduced.
So a subject is slowly and slowly taught behaviours that may lead it to the final required behavior.
In development you have three stages.
1) Development
2)Testing
3)Production
