Which of the following is a central idea from the age of enlightenment?
a) education is the took of the oppressor.
b) government should never be questioned.
c) objective truth is found through religion.
d) reason is the only way to find truth.

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.