[Q]: Question: "A substance that regulates and ensures the temperature of a device does not exceed safe values is generally called?" Context: "Hydrogen is commonly used in power stations as a coolant in generators due to a number of favorable properties that are a direct result of its light diatomic molecules. These include low density, low viscosity, and the highest specific heat and thermal conductivity of all gases." Answer:
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[A]: coolant

[Q]: Question: "Were more people listed as missing or injured?" Context: "According to Chinese state officials, the quake caused 69,180 known deaths including 68,636 in Sichuan province; 18,498 people are listed as missing, and 374,176 injured, but these figures may further increase as more reports come in.[dated info] This estimate includes 158 earthquake relief workers who were killed in landslides as they tried to repair roads." Answer:
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[A]: injured

[Q]: Question: "What is the last color to be listed in the following table" Context: "On the following table, green arrows () represent an increase in ranking over the previous study, while red arrows () represent a decrease in ranking. They are followed by the number of spaces they moved. Blue dashes () represent a nation that did not move in the rankings since the previous study." Answer:
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[A]: Blue

[Q]: Question: "What is the difference in language?" Context: "The Rule of Law is especially important as an influence on the economic development in developing and transitional countries. To date, the term "rule of law" has been used primarily in the English-speaking countries, and it is not yet fully clarified even with regard to such well-established democracies as, for instance, Sweden, Denmark, France, Germany, or Japan. A common language between lawyers of common law and civil law countries as well as between legal communities of developed and developing countries is critically important for research of links between the rule of law and real economy." Answer:
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[A]:
it is not yet fully clarified even with regard to such well-established democracies as, for instance, Sweden, Denmark, France, Germany, or Japan