Because they should know if the thing they are studying is like from or about or how it was made
I would love to help you but you have to let me know what book the questions are asking about.
Answer:
Marie Curie has achieved a lot during her career. She won two Nobel Prize one in Physics and one in Chemistry. She also discovered Xrays. Marie Curie also discovered two elements which is the polonium and radium. Her legacy remains by remembering all her contributions to Science.
The 1300´s land route and later canal connecting Lubeck with Hamburg is so important because Lubeck had become a very important merchant´s base by those days, having access to the Baltic and North Sea. In 1241 it formed an alliance with Hamburg, which in turn controlled access to salt trade routes.
Answer:
D. Advertisers changed the way people viewed products, making them more desirable.
