Researchers in Canada Have Established a Negative Correlation Between the Temperature

Researchers in Canada have established a negative correlation between the temperature and the use of heaters.This means that

A) there is no relationship between temperature and use of heaters.
B) as the temperature rises, the use of heaters increases.
C) as the temperature rises, the use of heaters decreases.
D) the relationship between temperature and use of heaters is ambiguous.