Question

Can anyone help me with my Econ Honors questions that I have left?
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How does the economy use its factors of production (land, labor, capital, and entrepreneurship) to facilitate economic growth?
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How are environmental issues related to scarcity and opportunity cost?
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Compare and contrast how the United States, Russia, and Brazil answer the three basic questions of what to produce, how to produce, and for whom to produce in their economies.
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Explain how a mixed economy is a mixture of command and pure market economy.