Although many types of bacteria are helpful and do not cause disease, nearly half of all human diseases are bacterial. Better sanitation and the use of antibiotics over the last century have affected death rates from bacterial infections in which way? A. Death rates have increased B. Death rates have decreased C. Death rates have remained the same D. Death rates have increased and then decreased

1 answer
Question:

Although many types of bacteria are helpful and do not cause disease, nearly half of all human diseases are bacterial. Better sanitation and the use of antibiotics over the last century have affected death rates from bacterial infections in which way?
A. Death rates have increased
B. Death rates have decreased
C. Death rates have remained the same
D. Death rates have increased and then decreased

Answers

B.  Death rates have decreased

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