Answer: HI there :) The relation is that when a star is blue it is hotter and when a star is red it is cooler.
Explanation: This means that the bluer the star the hotter the star this also means that the star will be brighter.
The branch of science which deals with a living being is called biology.
The correct answer is directly proportional.
The temperature and the color are directly proportional to the temperature.
To prove this statement, we have to observe the color of the flame.
The color of flame changes when the temperature rises from low to high.
The color of flame is blue when the temperature is less and the color of flame is yellow when the temperature is high.
For more information, refer to the link:-
https://brainly.com/question/17338790
