I'd say it's number 3. a noun
Annihilate and decimate both mean to destroy something or someone, but annihilate means to destroy something as a whole, and at a bigger scale, while decimate doesn't have to mean destroying the whole thing.
Eradicate and massacre are both violent words with the intent to convey destruction, but eradicate is a more general term, as massacre is meant to simple destroy/kill a large group of people.
Answer:
How does President Kennedy describe America’s recent work in the field of space exploration?
He explains how far the U.S. has come in space science and exploration.
He argues that America has made insufficient progress in recent years.
He argues that the Soviet Union has more experienced scientists and thus have made greater progress.
He worries that the Soviets are so far ahead of America and that it will be nearly impossible for America to catch up.
Explanation:
The answer is D)study of because technology is the study of tech or in other words a slang for tools.
