(Q).
This is a correct answer to the following question about McDonnell Douglas F-15 Eagle. Yes or no? Answer: The design proved flexible enough that an all-weather strike derivative , the F-15E Strike Eagle , was later developed, and entered service in 1989. Question: When did F15s first fly
(A).
No

(Q).
This is a correct answer to the following question about United States Declaration of Independence. Yes or no? Answer: Instead they now formed a new nationthe United States of America. Question: when was the Declaration of Independence Signed?
(A).
No

(Q).
This is a correct answer to the following question about HVAC. Yes or no? Answer: Ventilation on the downdraught system, by impulsion, or the 'plenum' principle , applied to schoolrooms (1899) Question: what is a HVAC company
(A).
No