English Language · Reading Comprehension - Main Idea
What is the main idea of the passage discussing major technological advances?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Scientific discoveries rarely face obstacles once their commercial potential is recognized.
- 2Innovations in the 20th century were primarily driven by individual inventors rather than collaborative efforts.
- 3The United States was solely responsible for the rapid scaling of penicillin production during World War II.
- 4The development of penicillin and the Xerox machine highlight the unpredictable paths of major innovations and the interdisciplinary efforts required for their mass production.✓
Correct answer
The development of penicillin and the Xerox machine highlight the unpredictable paths of major innovations and the interdisciplinary efforts required for their mass production.
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