Student A:The 2009 Nobel Peace Prize was awarded to United States President Barack Obama for his "extraordinary efforts to strengthen international diplomacy and cooperation between peoples". The Norwegian Nobel Committee announced the award on October 9, 2009, citing Obama's promotion of nuclear nonproliferation and a "new climate" in international relations fostered by Obama, especially in reaching out to the Muslim world.

Based on this passage, who won the nobel peace prize in 2009?
Student B:OK... To answer the question, consider the following: The 2009 Nobel Peace Prize was awarded to United States President Barack Obama for his "extraordinary efforts to strengthen international diplomacy and cooperation between peoples".
Barack Obama.

Problem:Dopp kit is a term particularly in use in America for toiletry bags. The name derives from the early 20th century leather craftsman Charles Doppelt, whose company designed the case in 1919. While the case is named after Doppelt, it appears that the case was actually designed by Doppelt's nephew, Jerome Harris.

Based on this passage, where did the name dopp kit come from?
Solution:OK... To answer this question, we should know that: The name derives from the early 20th century leather craftsman Charles Doppelt, whose company designed the case in 1919.
the early 20th century leather craftsman Charles Doppelt , whose company designed the case in 1919.

Student A:Island of the Blue Dolphins is a 1960 children's novel written by Scott O'Dell and tells the story of a 12-year-old girl stranded alone for years on an island off the California coast. It is based on the true story of a Nicoleno Native American left alone for 18 years on San Nicolas Island during the 19th century.

How long did karana live on the island alone?
Student B:OK... To answer the question, consider the following: It is based on the true story of a Nicoleno Native American left alone for 18 years on San Nicolas Island during the 19th century.
18 years.

Problem:The Articles of Confederation, formally the Articles of Confederation and Perpetual Union, was an agreement among the 13 original states of the United States of America that served as its first constitution. It was approved, after much debate (between July 1776 and November 1777), by the Second Continental Congress on November 15, 1777, and sent to the states for ratification. The Articles of Confederation came into force on March 1, 1781, after being ratified by all 13 states. A guiding principle of the Articles was to preserve the independence and sovereignty of the states. The central government established by the Articles received only those powers which the former colonies had recognized as belonging to king and parliament.

Answer this question based on the passage: when did the articles of confederation go into effect?
Solution:OK... The important part for answering this question is: The Articles of Confederation came into force on March 1, 1781, after being ratified by all 13 states.
March 1 , 1781.

Student A:Veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.

Answer this question based on the passage: the only veins that carry oxygenated blood are the?
Student B:OK... The relevant information is: Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart.
the pulmonary and umbilical veins.

Student A:Context: The first Zimbabwean dollar was introduced in 1980 and replaced the Rhodesian dollar at par. The initial ISO 4217 code was ZWD. At the time of its introduction, the Zimbabwean dollar was worth more than the US dollar in the official exchange market, with 1 ZWD = 1.47 USD, although this did not reflect the actual purchasing power it held. As a result, in both the official and parallel markets, the currency's value eroded rapidly over the years, and by July 2006, the parallel market value of the Zimbabwean dollar fell to Z $1,000,000 = GB 1.

Question: when did the currencies of zimbabwe first come in circulation?
Student B:
OK... The relevant sentence in the passage is: The first Zimbabwean dollar was introduced in 1980 and replaced the Rhodesian dollar at par.
1980.