Which of the following world war ii events occurred on august 6, 1945?
a. an atomicbomb was dropped on hiroshima.
b. the allied leaders met in yalta.
c. the japanese surrendered.
d. an atomic bomb was dropped on nagasaki.

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.