Question

what would result in a theory being replaced rather than revised?

Answer 1

create controversial situation..
arise confusion..
disagreements.

Answer 2

Scientific theory: An explanation accompanied with the testing and verification of the natural world by scientific methods is called as a scientific theory.

The situation where new information is discovered that contradicts the existing theory.  

Reason:  

• The replacement of the old theory.
• A contradicted theory cannot be used.
• Improvement of the existing theory.

Hence, the answer is new information is discovered that contradicts the existing theory.

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