Among Louis Pasteur's contributions to the field of public health were ______________.
A. heating drinks to kill microbacteria
B. developing vaccines
C. promoting standards of hygiene to reduce illness
D. using sterilization to reduce infections in hospitals and surgery
E. all of these
Answer: E
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A) hospital orderlies B) secretaries C) creators of advertising D) construction workers
Why did the artist choose to portray the Southern Pacific Railroad's monopoly as an octopus?
A) Its wealthy owners were "captains of industry" who supported the public. B) It had to be depicted as a multi-armed creature because it helped so many industries. C) It strangled its rivals in competing industries. D) It single-handedly destroyed the American maritime industry.
Lesbians who are women of color ______.
A. experience triple oppression B. usually identify more with their ethnic identity than their sexual orientation C. are less likely to come out as gay than White lesbians D. are rare in the United States
Approximately what percentage of the native population remained in Mexico by 1650?
A) 50% B) 25% C) 10% D) Less than 3% E) The native population was completely eradicated