question: OPTIONS:
- yes
- no
Across the Baltic Sea lies Sweden in the west and Finland in the north.
Where is Estonia located in Northern Europe?

answer: no

question: OPTIONS:
- yes
- no
Pitch is each person's subjective perception of a sound, which cannot be directly measured.
What type of sensation is pitch?

answer: no

question: OPTIONS:
- yes
- no
New York City gained more residents between April 2010 and July 2014 (316,000) than any other U.S. city.
How many people moved to New York City between April 2010 and July 2014?

answer: yes

question: OPTIONS:
- yes
- no
The "Halogena Energy Saver" incandescents can produce about 23 lm/W; about 30 percent more efficient than traditional incandescents, by using a reflective capsule to reflect formerly wasted infrared radiation back to the filament from which it can be re-emitted as visible light.
What is the theoretical maximum efficiency of reflective capsule bulbs?

answer:
no