Question

changed. (10) traditionally nasa had focused on recruiting only male military pilots for the astronaut program. (11) however, in 1977 nasa began a campaign to recruit both female scientists and female pilots. (12) ride saw one of the campaigns advertisements and realized that she met the qualifications, so she applied. (13) ride was accepted into the astronaut program and began preparing for a space mission. (14) trained both physically and mentally. (15) she also shifted her focus from physics to engineering so that she could help develop a robotic arm for the space shuttle. (16) the expertise she demonstrated in designing and operating the robotic arm earned ride a spot on the space shuttle challenger during its 1983 mission. (17) when the shuttle broke free of earth’s atmosphere ride broke through the country’s highest glass ceiling by becoming the first american woman to fly in space. (18) she was an instant celebrity. 15. what change is needed in sentence 17? change broke free to breaks free insert a comma after atmosphere change country’s to countries insert a comma after ceiling

Explanation:

The sentence "When the shuttle broke free of Earth’s atmosphere Ride broke through the country’s highest glass ceiling by becoming the first American woman to fly in space" is a run - on. It needs a comma after "atmosphere" to separate the two related but distinct clauses.

Answer:

Insert a comma after atmosphere