QUES: Q: When did Cloudina exist?
A: It is not until the early Ordovician that the first annelid jaws are found, thus the crown-group cannot have appeared before this date and probably appeared somewhat later.
Does the answer answer the question?

ANS: no

QUES: Q: Where did the torch event begin in Vietnam?
A: Some 60 torchbearers carried the torch from the downtown Opera House to the Military Zone 7 Competition Hall stadium near Tan Son Nhat International Airport along an undisclosed route.
Does the answer answer the question?

ANS: yes

QUES: Q: When did the Alpine countries see an influx of poets, artists, and musicians?
A: Late in the 18th century the first wave of Romantics such as Goethe and Turner came to admire the scenery; Wordsworth visited the area in 1790, writing of his experiences in The Prelude.
Does the answer answer the question?

ANS: no

QUES: Q: What invaders are causing changes along the North American Atlantic coast?
A: Overall gamma diversity may be lowered because species are going extinct because of other causes, but even some of the most insidious invaders (e.g.: Dutch elm disease, emerald ash borer, chestnut blight in North America) have not caused their host species to become extinct.
Does the answer answer the question?

ANS:
no