Before jonas salk discovered a vaccine to prevent polio, people noticed a correlation between outside temperature and the incidence of polio: the warmer the temperature over the course of the year, the more outbreaks of polio. this relationship is an example of a(n) correlation.

The answer is positive correlation.

Explanation:

Positive correlations mean that two variables are directly proportonal (they move in the same direction). In the example, the correlation is positive because more warmth = more outbreaks of polio.

In other words, positive correlations involve "more = more" or "less = less" relationships.

B:to convince people to get the polio vaccine

Explanation:

did it on edge 2020

it looks like its all of the above. [.wpal1kojopfdpojfrfionrnif.knfdsnksjosjo]

explanation:

you have to combine all of your answers together to

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the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.