The North European Plain is located in Northern Europe. It’s encompasses the countries of France, Germany, Poland, Denmark, Belgium, the Netherlands, and Czech Republic.
It is characterized by low elevated, flat plains and many rivers (including the Rhine, Weser, Elbe, and others) making the area highly populated and suitable for farming.
People holding regular manual or blue-collar jobs. Certain members of this class, such as electricians, may have higher incomes than people in the lower-middle class. Roughly 40 to 45 percent of the United States
A shift in the demand curve is when a determinant of demand other than price changes. Therefore that tells you all determinants of demand other than price must stay the same.