In an endothermic reaction, energy is

Endothermic reactions are reactions that require external energy, usually in the form of heat, for the reaction to proceed. ... Therefore, the change in enthalpy is positive, and heat is absorbed from the surroundings by the reaction.

Explanation:

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.