the space shuttle program began when the ______ flew on april 12, 1981.\n○ mercury\n○ challenger\n○…

the space shuttle program began when the ______ flew on april 12, 1981.\n○ mercury\n○ challenger\n○ columbia\n○ apollo
Answer
Brief Explanations:
The first space - shuttle mission of NASA's Space Shuttle program was launched on April 12, 1981, with the Space Shuttle Columbia. Mercury and Apollo were different space programs. Challenger was a later - flying shuttle that unfortunately had a disaster.
Answer:
C. Columbia