The graph shows the temperature , in degrees Celsius, of a liquid minutes after it was removed from a heat source. Which statement is the best interpretation of the marked point in this context?
After 5 minutes, the liquid's temperature was 20 degrees Celsius.
After 20 minutes, the liquid's temperature was 5 degrees Celsius.
The liquid cooled down by 5 degrees Celsius in 20 minutes.
The liquid cooled down by 20 degrees Celsius in 5 minutes.
