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Explain how analysis of glacial and polar ice cores provide important clues about past climate.
Consumer Surplus
The disparity between consumers' willingness to pay for a good or service and their actual payment amount.
Producer Surplus
The variance between the amount sellers are ready to accept for a commodity or service and what they actually earn from it.
World Market
The international exchange of goods and services that transcends national borders, influenced by global supply and demand.
International Trade
The international trade involving the transfer of goods and services between countries or territories.
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