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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I believe the answer is: Rapport dynamic
rapport dynamic refers to an act to build a positive relationship with other people. This could be done through either helping them out from difficult or awkward situation, by mirroring their movement, or by establishing a common ground with that other individuals.
Marge's study is typical of the "Correlational" method of research.
In general, a correlational study refers to a quantitative technique for research in which you have at least 2 quantitative factors from a similar gathering of members, and you are endeavoring to decide whether there is a relationship between the 2 factors.
Answer: Option (A) - Approval of executed trades or orders
Explanation:
Some of the roles that can be performed by municipal securities principal or municipal securities sales supervising principal include:
*** The approval of opening of customer accounts
***Approving discretionary accounts and related transactions
***Approval of advertising
***Communication with investors indirectly or directly concerning municipal securities
***Reviewing correspondence relating to sales to purchase from customers.
From the above information, it is fair enough to note that their roles do not in anyway include approving executed trades or orders