Prices are determined in a free market economy through the interactions of supply and demand in the Marketplace <span>where demand is the quantity of a product that buyers are willing to purchase according to a given price and supply is the amount of a product that sellers can vendor to customers at a given price.</span>
Or you can do it yourself and not be lazy
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D. Both B. The distance between the object and C.The mass of each object
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I believe the answer is D
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