SAT Practicebb0a943d-ff9f-4fc0-84ad-b77c978840ff
Practice one SAT question at a time

Questions come from the Bluebook question bank.

In 1899, Swedish chemist Svante Arrhenius developed an equation to answer a long-standing question: why do chemical reactions speed up at higher temperatures? The Arrhenius equation, named for its creator, blank an important concept in modern chemistry.

Which choice completes the text so that it conforms to the conventions of Standard English?