Polystyrene is commercially used to manufacture consumer products such as coffee cups and insulation for appliances. What is the process used to create polystyrene?

________ A photograph of yourself and general health condition should be included on a résumé

Indicate whether the statement is true or false

All of the following are pathological causes of leukocytosis EXCEPT:

A. infection B. obstetric labor C. leukemias D. polycythemia