Select the most appropriate option to fill in blank number 1
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option1 i.e. proved.
- The word "proved" fits well in the context of scientific research, indicating that the research has provided evidence or confirmation of a fact.
- The other options ("tell," "talked," "spread") do not convey the idea of scientific validation or evidence.
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Therefore, the correct option is "proved."