Fill in the blank with the correct word from the options given:

Although the theory seemed plausible, it was ultimately _____ by experimented evidence.

refuted

The correct answer is Option (1) → refuted

• Refuted means to prove (a statement or theory) to be wrong or false. In a scientific context, when experimental evidence contradicts a theory, the theory is refuted (disproved).

• Encrusted: Means covered with a crust or hard coating. (Irrelevant meaning).

• Regulated: Means controlled or directed according to rule or law. (Irrelevant meaning).

• Refurbished: Means renovated or re-equipped. (Irrelevant meaning).