how did the environments in north america affect the development of american Indian cultures in the period just before the Europeans arrived

What job did jackie robinson have before coming famous

What two advances did europeans borrowed from china

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.