What would be the BEST title for this chart?

A) "The Fundamentals of Democracy"

B) "Checks and Balances in State Government"

C) "Separation of Powers at the State Level"

D) "Representative Government in the United States"

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.