Determine the topic of the passage. "According to the 2010 American Community Survey conducted by the U.S. Census Bureau , Spanish is the primary language spoken at home by almost 37 million people aged five or older, a figure more than double that of 1990." Topic:
Ans: Spanish language in the United States

Determine the topic of the passage. "Jakarta (), officially known as the Special Capital Region of Jakarta (), is the capital and largest city of Indonesia ." Topic:
Ans: Jakarta

Determine the topic of the passage. "As the second largest city in San Diego County , Chula Vista has quickly become a destination popular to many tourists." Topic:
Ans: Chula Vista, California

Determine the topic of the passage. "China has been the source of many inventions , including the Four Great Inventions : papermaking , the compass , gunpowder , and printing (both woodblock and movable type )." Topic:
Ans: List of Chinese inventions