Answer:
This is the answer of your question.
I believe the answer would be C) Expansion.
Hope this helped, thanks!
The right answer is (D) all of the above. Non-verbal communication is carried out through a wide variety of signs: sensory images (visual, auditory, olfactory ...), sounds, gestures, body movements, among others. And in this case the 3 options dads correspond to gestures of body language or kinésticos, sending messages without words (act of nonverbal communication)
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.
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