In the seventeenth and eighteenth centuries, medical practitioners select one: a. became increasingly professionalized. b. had little or no knowledge of sterilization. c. grew to understand the link between bacteria and infection. d. were nearly all males. e. rejected purging and bleeding as medical techniques.

Option: b. had little or no knowledge of sterilization.

Explanation:

Medical practitioners during the 17th century and 18th century had very little knowledge about the sterilization. Sterilization was little known during this period because practitioners were still learning how to treat people and did not give priority to sterilizing. Sterilizing the surgical instruments was not much in a process. It became increasing use in the late 18th century.

1) the answer is b

senators serve a six-year term; representatives serve a two-year term, making them more responsive to (and responsible for) voter confidence.

2) the answer is d

to serve as president, one must:   -be a natural-born u.s. citizen of the united states;   be at least thirty-five years old;   be a resident in the united states for at least fourteen years.

3) the answer is a

ella,because it is constitutionally eligible

4) the answer is c: the u.s president