C maybe i'm really not sure sorry :)
The Wright brothers flew their first plane in 1903 and the first continental railroad opened in 1869 if you subtract those two you would get 34 years after
Answer:
what the aswer please tell me
Answer:
I think it's B if not then we have different answers
Explanation:
The correct answer is configuration management.
Configuration management is defined as a system engineering process by which
they establish and maintain the product’s performance, their physical
attributes, and as well their functional attributes that includes their design,
information and requirements.
