The scientist received high marks for his brilliance and because he was humorous. mm (misplaced modifier) sm (squinting modifier) dm (dangling modifier) fp (faulty parallelism).

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this is a good question! i'll do some research and come back when i have the answer!

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).

practicing good personal hygiene will reduce the risk of getting infected, and getting a disease.   dirt, germs and parasites can accumulate under the nails, so is important to keep your nails clean and trimmed.