Nitrite (NO2-) is an important nutrient in the eutrophic zone of the ocean. Which of the following is the correct set of resonance structures for this ion? 
Definitions:
Biological Drives
Innate impulses directed towards the survival and reproduction of an organism, like hunger, thirst, and sex drive.
Id
In Freudian psychoanalytic theory, the part of the mind in which innate instinctive impulses and primary processes are manifest.
Conscience
An inner feeling or voice viewed as acting as a guide to the rightness or wrongness of one's behavior.
Rational Decisions
Choices made based on logical reasoning, where all alternatives are considered and the most optimal outcome is selected.
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