Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Uranium metal reacts with almost all non-metal elements (with an exception of the noble gases) and their compounds, with reactivity increasing with temperature. Hydrochloric and nitric acids dissolve uranium, but non-oxidizing acids other than hydrochloric acid attack the element very slowly. When finely divided, it can react with cold water; in air, uranium metal becomes coated with a dark layer of uranium oxide. Uranium in ores is extracted chemically and converted into uranium dioxide or other chemical forms usable in industry.
What reacts with finely multiplied uranium?
A: unanswerable

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The strides that the Johnson presidency made in ensuring equal opportunity in the workforce were further picked up by his successor Nixon. In 1969 the Nixon administration initiated the "Philadelphia Order". It was regarded as the most forceful plan thus far to guarantee fair hiring practices in construction jobs. Philadelphia was selected as the test case because, as Assistant Secretary of Labor Arthur Fletcher explained, "The craft unions and the construction industry are among the most egregious offenders against equal opportunity laws . . . openly hostile toward letting blacks into their closed circle." The order included definite "goals and timetables." As President Nixon asserted, "We would not impose quotas, but would require federal contractors to show 'affirmative action' to meet the goals of increasing minority employment."
Which industry of jobs did the legislation target?
A: construction

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At the end of the third quarter in 2008, Florida had the highest mortgage delinquency rate in the country, with 7.8% of mortgages delinquent at least 60 days. A 2009 list of national housing markets that were hard hit in the real estate crash included a disproportionate number in Florida. The early 21st-century building boom left Florida with 300,000 vacant homes in 2009, according to state figures. In 2009, the US Census Bureau estimated that Floridians spent an average 49.1% of personal income on housing-related costs, the third highest percentage in the country.
What was the mortgage delinquency rate in 2006?
A: unanswerable

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Similarly, in the United States, the independent National Research Council has noted that "sufficient domestic renewable resources exist to allow renewable electricity to play a significant role in future electricity generation and thus help confront issues related to climate change, energy security, and the escalation of energy costs Renewable energy is an attractive option because renewable resources available in the United States, taken collectively, can supply significantly greater amounts of electricity than the total current or projected domestic demand." .
In what country is the National Research Council located?
A:
United States