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"Light travels at the rate of 300,000 kilometers per second in a vacuum." Which of these statements is correct about this law?
a. It is a fact in nature which cannot be tested.
b. It is a theory which is not supported by data.
c. It is an observation which cannot be explained.
d. It is a description which does not work under similar conditions.
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"Light travels at the rate of 300,000 kilometers per second in a vacuum." Which of these statements...
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