Explain why theses civilizations were located near water, as opposed to the interior africa

(mali, aksum, ethiopia, ghana)

Why is the sons of liberty a difficult group to describe ?

How did the grooms national product (gnp) of the united states change between 1940 and 1944

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.