See I can't say what it is but I think its A
<span>A member of Congress who serves as a communications channel between the house's leadership and the rank-and-file members is known as The Speaker of the House. The current speaker of the House is John Boehner.</span>
Answer: Agricultural Hearths. When looking at the spread of new ideas, we start with the place where that idea emerged. We call this a hearth, so an agricultural hearth would be the place where farming was first developed. Over in China, between the Yellow and Yangtze rivers, ancient people developed agriculture on their own.
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