Which of the Following Made Song Iron Production in the Eleventh

question 32

Multiple Choice

Which of the following made Song iron production in the eleventh century equal to that of Europe in the eighteenth century?

• A) Using sulfur and charcoal in smelting
• B) Harnessing water buffalo to bellows
• C) Using piston-driven bellows
• D) Mastering techniques for controlling explosions and high heat

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A requirement that individuals purchase or otherwise obtain health insurance, or face penalties, aimed at expanding healthcare coverage.

Health Insurance

Insurance that reimburses the policyholder for expenses related to medical and surgical care.

Community Rating

An insurance pricing strategy which sets premiums based on the collective risk profile of a community or geographic area rather than individual risk factors, often used in healthcare insurance.

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A situation in which asymmetric information leads to a selection of undesirable outcomes, such as in insurance markets.