For what reasons could a theory be changed or replaced? Check all that apply.New technology is developed that provides more information about the theory.New experimental methods are designed to test a theory.A new, untested hypothesis is proposed.New information is discovered that does not support the theory.A single experiment produces results that differ from all previous experiments.
Answer
A
New technology is developed that provides more information about the theory.
B
New experimental methods are designed to test a theory.
C
A new, untested hypothesis is proposed.
D
New information is discovered that does not support the theory.
E
A single experiment produces results that differ from all previous experiments.
Explanation
A theory may be revised or replaced when new technology or experimental methods provide better ways to gather and test evidence. New information that contradicts a theory can also prompt scientists to change it. A new, untested hypothesis alone is not enough, and one experiment that disagrees with many previous results should be checked and repeated before changing a theory.
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