QUES: Q: When was Principles of Phonology published?
A: One of its leading members was Prince Nikolai Trubetzkoy, whose Grundzuge der Phonologie (Principles of Phonology), published posthumously in 1939, is among the most important works in the field from this period.
Does the answer answer the question?

ANS: yes

QUES: Q: What transformed business organization in 1890?
A: The creation of a modern industrial economy took place.
Does the answer answer the question?

ANS: no

QUES: Q: What are the approximate temperatures that can be delivered by phase change materials?
A: Salts are an effective storage medium because they are low-cost, have a high specific heat capacity and can deliver heat at temperatures compatible with conventional power systems.
Does the answer answer the question?

ANS: no

QUES: Q: Where does Greece rank in the work with communications?
A: The United Nations International Telecommunication Union ranks Greece among the top 30 countries with a highly developed information and communications infrastructure.
Does the answer answer the question?

ANS:
yes