Why did Ruhr became one of the worlds most important. industrial centers?​

You not be doing this in a quiz. if you actually studied your work you would know the answer. the answer though is that they would use gdp per capita because it measures a smaller portion (person). this could show individual growth per person in the country.

B) faulthope this x

True. all the continents were once together, but they began to move apart as time went on.