What causes narcissism?
Although the cause of narcissistic personality disorder isn't known, some researchers think that in biologically vulnerable children, parenting styles that are overprotective or neglectful may have an impact. Genetics and neurobiology also may play a role in development of narcissistic personality disorder.
If you search your exact question on here there’s another question exactly like yours with the answers your looking for.
Criticizing yourself (negative self-talk)
Driving fast in a car.
Chewing your fingernails.
Becoming aggressive or violent (hitting someone, throwing or kicking something)
Eating too much or too little or drinking a lot of coffee.
C. Low.
Green. <--- Pun ignore the green part
That statement is true
In order to prevent a contamination in becoming an epidemic, Rescuers must take measures to prevent the spread of contamination. They could do this by isolating all of the people that are in the same room from the contaminated or simply by giving them some vaccines