How do experiments scientists learn about the world?
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a. experiments correct old ideas.
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b. experiments test the scientists' ideas.
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c. experiments explain scientific theories.
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d. experiments prove the scientists' hypotheses.

Imagine you are a business executive who wants to pursue an environment policy for your company that limits pollution and uses fewer raw materials but would cost more what might be the discussion to your next broad meeting how would you make your case to your shareholders