Why was little rock's central high school still segregated three years after the supreme court ruled that schools must integrate? a. president eisenhower did not enforce the ruling. b. the supreme court later reversed its ruling. c. no blacks wanted to go to central high. d. the court didn't say exactly when schools had to integrate.

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.