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

Respuesta :

lenahc00 lenahc00

24-12-2017

I would say B. Tripled

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