Question:
Choose your answer: Is "Before glaciation, mountain valleys have a characteristic "V" shape, produced by eroding water." a good answer to the question "What shape do glacial valleys have after being widened by glacation?"
Answer:
no

Question:
Choose your answer: Is "In 1266 the Mamluk Sultan Baybars converted the Cave of the Patriarchs in Hebron into an exclusive Islamic sanctuary and banned Christians and Jews from entering, which previously would be able to enter it for a fee." a good answer to the question "When did the Mamluk Sultan Baybars convert to the Cave of Patriarchs?"
Answer:
yes

Question:
Choose your answer: Is "The Khazars dominated the Black Sea steppe during the 8th century, trading and frequently allying with the Byzantine Empire against Persians and Arabs." a good answer to the question "Which area did the Khazars rule over?"
Answer:
yes