Nico's parents are attempting to use a negative reinforcement technique embodied in the operant conditioning framework to increase Nico's studying.
Operant conditioning is a learning mechanism which consists on affecting the strength of a behaviour by reinforcement or punishment, depending if the aim is to increase or decrease it , respectively.
In this example, Nico's parents want him to acquire good studying habits, hence they allow him to quit from tasks he hates at home if he does so, for instance, doing the dishes. Hence, if he does not behave properly he will suffer the consequences and do the dishes. This a negative reinforcement as if the conduct is not appropiate, the response will be the obligation to do a task he hates.
Because the middle kingdom was a time for knights and all these new stuff for the egyptians that they needed to stay alive through the middle kingdom
The affect of deforestation in south Africa would make us have less oxygen in the air and many plants will die due to deforestation and less oxygen and carbon dioxide for energy.
