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.
4. The Jim Crow laws, were African Americans were told they were being treated fair but simply separately.
I believe the answer is:
<span>
B. Exploiting the colonies for profit </span>
(the central American region was known for various agricultural commodities that are popular in European continent such as their coffee beans, tropical fruits, latex, etc.
By colonizing the central American region, the british could obtain these commodities at cheaper prices and obtain higher profit from other European countries)
It’s false It’s crazy how much clues yu have
Answer:
North China plain near the yellow sea
