Do you think Boeing and Airbus use the same type of carbon fibers for Boeing 787 and Airbus A350?

There are 3 questions that are listed below: (3 questions in one page (double space, no more than one page))
1. Do you think Boeing and Airbus use the same type of carbon fibers
for Boeing 787 and Airbus A350? Why not?
2. Discuss the reasons why carbon fiber-reinforced thermoplastic matrix
composites are not currently used in Boeing 787.
3. Discuss the material challenges for developing a hypersonic airplane
and space re-entry vehicles.

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