Osha requirements state that employees must have eye or face protection if their work exposes them to hazards such as: a) flying particles b) chemical gases or vapors c) both of the above d) none of the above

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  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in