correct the text by inserting one comma.\nafter nasa successfully landed astronauts on the moon in 1969 the…
correct the text by inserting one comma.\nafter nasa successfully landed astronauts on the moon in 1969 the agency made several more missions to the moon in the 1970s.
Answer
Brief Explanations:
The introductory clause "After NASA successfully landed astronauts on the moon in 1969" needs to be set off from the main - clause. A comma is used to separate an introductory element from the rest of the sentence.
Answer:
After NASA successfully landed astronauts on the moon in 1969, the agency made several more missions to the moon in the 1970s.