Reading and Writing Module 2 (Easy) Question 20

Scientists William D. Phillips, Claude Cohen-Tannoudji, and Steven Chu won the Nobel Prize in Physics in 1997 for the “development of methods to cool and trap atoms with laser light,” which became the foundation for the study of atomic physics. _____ findings have led to the development of more accurate atomic clocks, and the improvement of new devices that can solve problems faster than modern computers is underway.
Which choice completes the text so that it conforms to the conventions of Standard English?

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