An exothermic process is one that gives off heat.
Explanation:
This heat is transferred to the surroundings. An endothermic process is one in which heat has to be supplied to the system from the surroundings.
The chloroplasts i believe is the answer
If the equation is complete the products would be manganese chloride and oxygen gas would be given off.
MnCl2 + O2
The best and most correct answer among the choices provided by the question is the fourth choice "alcoholic fermentation"
Ethanol fermentation<span>, also called </span>alcoholic fermentation<span>, is a biological process which converts sugars such as glucose, fructose, and sucrose into cellular energy, producing </span>ethanol<span> and carbon dioxide as a side-effect.</span>
I hope my answer has come to your help. God bless and have a nice day ahead!