Sub-questions are narrower questions. They are important because they provide the 'skeleton' around which you will find information to answer your main research question.
Answer:
C. In 1978, NASA changed the organization of the astronauts; 20 mission specialists and 15 new pilot astronauts were chosen.
Explanation:
B.
In 1978, NASA changed the organization of the astronauts; 20 mission specialists and 15 new pilot astronauts were chosen.
Answer:she knows it will be hard but she will work hard
Explanation:
