Before any drug is tested on humans, it must first be tested on

What will be an ideal response?


animals

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If you were looking for a soil with high cation exchange capacity and were not concerned with the soil's physical properties, which of the following would most likely fit your needs?

A) Aridisol B) Mollisol C) Vertisol D) Oxisol E) Ultisol

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In the absence of other information, all soil in an excavation should be treated as if it is _____

a. Type A b. Type B c. Type C d. solid rock

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Cleaning the shop's floor is being discussed. Technician A says to flush the waste and dust into a floor drain. Technician B says a wet/dry vacuum cleaner with a HEPA filter is the preferred method. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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External threads should have a lead-in for ____.

A. metal stress B. tooling C. ease of turning D. all of the above

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