The correct answer to this open question is the following.
The relevance of Euthenics is that this science was created to improve the quality of life of humans on planet earth by taking care of the environmental conditions. Yes, Euthenics aims for the betterment of the environment in ist different aspects such as the freshwater we drink, the quality of the air that we breathe, the environment of the places in which we live, or the food that we eat to be healthy.
So that is the relevance to include Euthenics in our program, to have a good idea of the many benefits we can have if we study what Euthenics can do for us. If we are aware that our behavior and manners can improve the living conditions of us and others, then we are cooperating to have better planet earth that is our home.
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I believe the answer is A, to consult ghosts of the underworld because in this story Odysseus goes to the 'Land of the Dead' to speak with a blind man called Teiresias.
