Question:
Choose your answer: Is "Many hours of exposure in the camera were required, making bitumen impractical for ordinary photography, but from the 1850s to the 1920s it was in common use as a photoresist in the production of printing plates for various photomechanical printing processes.[not in citation given]" a good answer to the question "What feature of bitumen use in photography made it impractical?"
Answer:
yes

Question:
Choose your answer: Is "In the north of the county the River Chew flows into the Bristol Avon." a good answer to the question "What did King charles levy on river boats"
Answer:
no

Question:
Choose your answer: Is "" The tribes had no laws, however, and soon began to make war with one another, prompting them to invite the Varangians back to rule them and bring peace to the region:" a good answer to the question "In what year did the Varangians impose tribute from the Slavic and Finnic?"
Answer:
no