The answer is <span> a slower metabolic rate.
Metabolic rate determine how much you burn your food into energy. If a person has a high metabolic rate, the burning process happens so fast which make that person more explosive and hard to gained weight.
Slower metabolic rate means that a large portion of that food will be stored as fat for future use, which make that person hard to lose weight.</span>
I believe it’s C. Businesses can increase their opportunity costs
Hope this helps
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International trade creates jobs by providing more positions depending on consumer demand, it shifts jobs by moving more people to a product that has a higher demand.