A student heats a liquid in a beaker.
They measure how the temperature of the liquid increases with time.
The graph shows their results.
What is the increase in temperature between 2 min and 8 min?
24∘C24^\circ\text{C}24∘C
30∘C30^\circ\text{C}30∘C
54∘C54^\circ\text{C}54∘C
62∘C62^\circ\text{C}62∘C