Which of the following units is best for measuring distances between galaxies?
O A. Astronomical units
O B. Light-years
O C. Kilometers
O D. Inches

Which of the following statements best explains why there tends to be a greater number of large cities in southern africa than the east africa

What are canada’s major boundaries?

Why are young eastern european democracies at an increased risk for turmoil during a global recession? a) anger against increased democracy b) failure of the free market system c) government corruption d) lack of from the e.u.