Q: Does "The electromagnetic field obeys laws of motion similarly to a mass on a spring, and can come to thermal equilibrium with hot atoms." provide a valid answer to "What is required for the electromagnetic field to come to thermal equilibrium?"?
A: yes

Q: Does "Conceptually, group theory can be thought of as the study of symmetry.t["]" provide a valid answer to "What are groups consisting of symmetries of given arithmetic concepts?"?
A: no

Q: Does "At the start of the battle, a large body of Russian cavalry charged the 93rd Highlanders, who were posted north of the village of Kadikoi." provide a valid answer to "Who did the Russians attack at the beginning off the Battle of Balaclava?"?
A: yes

Q: Does "At the end of the Second Anglo-Dutch War, the English gained New Amsterdam (New York) in North America in exchange for Dutch control of Run, an Indonesian island." provide a valid answer to "What was the name of the island the English traded to the Dutch in return for New Amsterdam?"?
A:
yes