Answer:
B-Libido
Explanation:
According Freud, life instincts are those which deal with basic survival, reproduction and pleasure. There are instincts essential for the continuation of species as well as sustaining the life of the individual. Libido is the energy the life instincts create.
There is no way to get rid of them, you can just take meds to control it
Cancer would definitely need to be focussed on, air pollution is a known cause of cancer
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