Answer:

Explanation:
As we know that 1 lb fat can be used to expend 4.1 k Calorie of energy
so here we know that we have to use 7.56 lb of body fat
so here the total energy that is to be utilized is given as

so we will have

now we know that runner expends the energy at rate of 1850 kJ/h
so we have

so it is

now we know that time to burn this energy is given as



The question in choice-C is the correct answer to your question.
(Is this confusing ?)
im no scientist but im pretty sure cool stars are warm colors and hot stars are cool colors, so red would be more cooler than blue.
Public sphere is a concept created in the 18th century and further developed by Jürgen Habermas, who stated that the public sphere was characterized by it's critical nature in contraposition to the representative nature of the feudal system