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The reaction q+r2=r2q is found to be first order in r2 and

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?