The bimetallic standard refers to a. the change that occurred in which paper money was integrated with silver coins. b. the federal government’s plan for the type and quantity of the nation’s money supply. c. the currency (gold and silver) used by the united states until 1873. d. a drop in prices on goods based on the currency rate

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.