The 24-hour clock is know as time.

After the supreme court’s ruling on the dred scott case, many people in the north believed that a. slavery might become legal everywhere. b. slavery might be banned everywhere. c. formerly enslaved people would move to the north. d. formerly enslaved people would stay in the south.

Match each model with its name and the name of the scientist who created it.

Which of the following best explains why the rhine-ruhr area became a major industrial area ?