juanemilio8878 juanemilio8878
  • 21-12-2017
  • Health
contestada

In the united states, the incidence of asthma has _______ since 1980.
a.doubled
b.tripled
c.one and one-halved
d.none of the above

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lenahc00
lenahc00 lenahc00
  • 24-12-2017
I would say B. Tripled 
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