Waning cresent and waxing cresent
Answer:
Europe has a huge number of mountains, rivers, valleys, and lakes. The biggest mountain range in Europe is the Alps, found where France, Italy, Switzerland, and Germany all meet.
I hope I helped!
The irregular coastline has many natural harbors.
For most years they had a magnificent harvest of cereal (barley and emmer wheat,wich could be used to make bread,cakes and beer );vegetables
Answer:
The answer is negative reinforcement.
Explanation:
In operant conditioning, negative reinforcement occurs when an unpleasant stimulus is removed after a behaviour is completed. In the example, the nagging will stop once the job has been done.
Negative reinforcement has been proved to be more effective than positive reinforcement (rewards).
