Please answer this as soon as possible there will be bonus points.

Answer:
2
Step-by-step explanation:
We need to divide the temperature it rose by how long it took to rise to that temperature. so it would look like this
8/4
and this simply is 2
The temperature rose an average of 2 degrees per hour
HOPE THIS HELPED, DONT FORGET TO PUT THIS AS THE BRAINLIEST ANSWER SO OTHERS CAN SEE IT IF THEY ENCOUNTER THE SAME PROBLEM!!! ALSO PLEASE PUT A 5 STAR AND A HEART. THAT WOULD VE VERY KUCH APRECIATED