question:
Sometimes ogives consist only of undulations or color bands and are described as wave ogives or band ogives.
What does the width of one dark and one light band measure?

answer: no

question:
Animal life was then dominated by various archosaurian reptiles: dinosaurs, pterosaurs, and aquatic reptiles such as ichthyosaurs, plesiosaurs, and mosasaurs.
How many years after the extinction did animal recovery begin?

answer: no

question:
Meanwhile, the Tumed Mongols began moving into the Kokonor region (modern Qinghai), raiding the Ming Chinese frontier and even as far as the suburbs of Beijing under Altan Khan (15071582).
Which frontier did the Tumed Mongols raid?

answer: yes

question:
Most of Guinea-Bissau's Muslims are of the Sunni denomination with approximately 2% belonging to the Ahmadiyya sect.
What percentage of the population now practices Islam?

answer:
no