QUES: Mianyang Hi-Tech Industrial Development Zone was established in 1992, with a planned area of 43 km2 (17 sq mi). The zone is situated 96 kilometers away from Chengdu, and is 8 km (5.0 mi) away from Mianyang Airport. Since its establishment, the zone accumulated 177.4 billion yuan of industrial output, 46.2 billion yuan of gross domestic product, fiscal revenue 6.768 billion yuan. There are more than 136 high-tech enterprises in the zone and they accounted for more than 90% of the total industrial output.

What zone icludes 43 square miles?
What is the answer?
ANS: unanswerable
QUES: Also, the tradition of differentiating between the coat of arms proper and a lozenge granted to women did not develop in Poland. Usually men inherited the coat of arms from their fathers. Also, the brisure was rarely used.

Where did the  coat of arms proper and a lozenge granted to women not develoupe?
What is the answer?
ANS: Poland
QUES: The metal's distinctive natural green patina has long been coveted by architects and designers. The final patina is a particularly durable layer that is highly resistant to atmospheric corrosion, thereby protecting the underlying metal against further weathering. It can be a mixture of carbonate and sulfate compounds in various amounts, depending upon environmental conditions such as sulfur-containing acid rain. Architectural copper and its alloys can also be 'finished' to embark a particular look, feel, and/or color. Finishes include mechanical surface treatments, chemical coloring, and coatings.

What separation of compounds is the final patina?
What is the answer?
ANS:
unanswerable