Problem: Please answer a question about the following article about Hydrogen:
Lavoisier produced hydrogen for his experiments on mass conservation by reacting a flux of steam with metallic iron through an incandescent iron tube heated in a fire. Anaerobic oxidation of iron by the protons of water at high temperature can be schematically represented by the set of following reactions:
How did Lavoisier produce hydrogen for his experiments?
A: reacting a flux of steam with metallic iron through an incandescent iron tube heated in a fire
Problem: Please answer a question about the following article about Oklahoma City:
The city is bisected geographically and culturally by the North Canadian River, which basically divides North Oklahoma City and South Oklahoma City. The two halves of the city were actually founded and plotted as separate cities, but soon grew together. The north side is characterized by very diverse and fashionable urban neighborhoods near the city center and sprawling suburbs further north. South Oklahoma City is generally more blue collar working class and significantly more industrial, having grown up around the Stockyards and meat packing plants at the turn of the century, and is currently the center of the city's rapidly growing Latino community.
Which side is known for primarily being industrial?
A: South Oklahoma City
Problem: Please answer a question about the following article about Late Middle Ages:
Despite these crises, the 14th century was also a time of great progress in the arts and sciences. Following a renewed interest in ancient Greek and Roman texts that took root in the High Middle Ages, the Italian Renaissance began. The absorption of Latin texts had started before the Renaissance of the 12th century through contact with Arabs during the Crusades, but the availability of important Greek texts accelerated with the capture of Constantinople by the Ottoman Turks, when many Byzantine scholars had to seek refuge in the West, particularly Italy.
Which conflicts brought Europeans into contact with Arabs prior to the 12th century?
A: the Crusades
Problem: Please answer a question about the following article about To Kill a Mockingbird:
As a Southern Gothic novel and a Bildungsroman, the primary themes of To Kill a Mockingbird involve racial injustice and the destruction of innocence. Scholars have noted that Lee also addresses issues of class, courage, compassion, and gender roles in the American Deep South. The book is widely taught in schools in the United States with lessons that emphasize tolerance and decry prejudice. Despite its themes, To Kill a Mockingbird has been subject to campaigns for removal from public classrooms, often challenged for its use of racial epithets.
Which region of America was the novel set in?
A:
Deep South