I think the main difference is that the id means primal impulses, but superego means primal impulses and self control together.
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Explanation:
Goodness gracious that is a lot of n's and o's
Number one is the correct answer
Answer:
C, Eyewash
Explanation:
All the other devices are not made specifically to rid the body of potentially harmful things except eyewash, which is used to rid the eyes of contaminants.