Answer:
flapper valves.
Explanation:
According to my research on Aircraft Fuel Tanks, I can say that based on the information provided within the question many fuel tanks incorporate flapper valves. Like mentioned in the question these are implemented to prevent fuel from flowing away from the boost pump or tank outlet. This can happen when the aircraft is experiencing high gravity force/pressure.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
Answer:
D
Explanation:
most likely D. everything listed has to do with election campaigns
Command Economy - Japan North/South Korea
Mixed Economy - Taiwan China
It's definetly b based off the question
I believe this one is "true"
