Question

choreographers of matter, life, and intelligence
by the end of the twentieth century, science had reached the end of an era, unlocking the secrets of the atom, unraveling the molecule of life, and creating the electronic computer. with these three fundamental discoveries, triggered by the quantum revolution, the dna revolution, and the computer revolution, the basic laws of matter, life, and computation were, in the main, finally solved.
-visions, michio kaku
identify a key term in this passage.
revolution
complete
check all of the clues that would help someone identify this key term.
the title or section heading
the first or last sentence
a repeated word or phrase
a signal word or phrase
retry

Explanation:

• The title or section heading: "Choreographers of Matter, Life, and Intelligence" may imply significant changes (revolutions) in these areas.
• A signal word or phrase: "revolution" is directly mentioned in the text (quantum revolution, DNA revolution, computer revolution).

Answer:

the title or section heading, a signal word or phrase