After completing 10 years of experimentation, a scientist reports a new scientific law about the movement of sand on beaches. how do you know that this information cannot be valid?

Experimentation (or the experiments the scientist was doing for 10 years) could be wrong or done in an inappropriate way. The only way to know if the information is valid is by checking the way the experimentation (data) was done as well as making sure to check all other factors

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