Why did aristotle's geocentric theory fail to match the expected predictions? a. all stars appear to move in different directions. b. a few celestial objects appear to have retrograde motion. c. all celestial objects periodically exhibit retrograde motion. d. the sun's motion is erratic.

Which of the following statements best describes the spread of communism in the years immediately following world war ii? a. the number of communist countries increased during these years. b. the number of communist countries decreased during these years. c. the number of communist countries stayed the same during these years. d. the number of communist countries increased in asia but decreased in europe. ( answer in the format above for me to understand)

What lured the spanish to the area of oklahoma?

How has urban renewal affected poorer neighborhoods in major cities? check all that apply. 1. communities have been transformed to meet the needs of the modern population. 2. old stores and factories have been renovated and used for new purposes. 3. crime rates have increased as more money has come into the neighborhoods. 4. many community businesses have gone into decline or been forced to close. 5. a number of african americans have been displaced from their homes.