Which best describes the results of global population increase in the twentieth century?
question options:

regional youth protests and upheavals

enlarged social welfare programs

increased production of waste and pollution

excessive migration to western nations

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.