Which text would be the most credible resource on this topic? Roquan is looking to buy new safety equipment for a chemistry lab. He wants to make sure the equipment has high safety ratings.

A study conducted by scientists is the most credible source for evaluating safety ratings because it presents findings based on research. The company website and advertisement may be biased because they are trying to sell equipment, while a student’s blog may not have expert evidence. Therefore, the results of a scientific study are the strongest resource.

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