Question

(c) What will a passenger de to inflate the vest?
(d) When will an oxygen inask appear before a passenger?
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Answer 1

Answer:

c. a passenger has to pull a rop to inflate the vest by itself .

if it dint inflate , you have to inflate by yourself by giving breath through a tube at bottom.

d.when the flight goes higher altitudes ( for the person having difficulties in breathing)

or at a accedent which causes lack of oxygen.

by the way

for which subject this is for??