Answer:
did you get the answer yet
Answer:
Explanation:
I would say to keep things hidden, Like for example the govenment tried to tell us lies a few times like they are no alines but there really are. The goverment keeps the bad stuff hidden deep down so, that the world can stay calm and at the same time keep allies with other places.
Answer B. Continental shelf:
Explanation:
Just looked it on Nasa website says it forms on oceanic and continental plates
Marshland
mountainous
tropical