A. Albert Einstein’s theory of relativity
B. wireless communication across the Atlantic
C. the creation of the internet
D. the invention of the airplane
- 20th Century
- 20th Century
- Ages, era, period
- Ages, era, period
- English Literature Mcqs
- English Literature Mcqs for Preparation. these literature Mcqs are important for students to make preparation of Fpsc, Nts, Kppsc, Ppsc, and other test.
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