Pertussis is caused by ________ and is transmitted by direct and indirect contact

A rubbing or scraping force that penetrates and destroys the outermost layer of skin is called a(n) ______________________

Fill in the blank(s) with correct word

The author points out that celebrity athletes

A. sustain their celebrity by associating with politicians. B. have more power to change society than they have to sell game tickets. C. are usually failures when they endorse sports products. D. seldom have real power as change agents in society.