Does "These properties, which give glass its clearness, can be retained even if glass is partially light-absorbing" contain the correct answer to "What type of glass absorbs some light?"

A: no

Does "The Byzantines also faced a revived Bulgaria, which in the late 12th and 13th centuries spread throughout the Balkans." contain the correct answer to "During what century did the Seljuk Turks occupy Persia?"

A: no

Does "On 14 October, the heaviest night attack to date saw 380 German bombers from Luftflotte 3 hit London." contain the correct answer to "On October 14 how many German bombers attacked?"

A:
yes