Answer:
They would all not work they all work together.
C. loud noise or music because infection and injury do not occur often and aging wouldn't make any sense.
Answer:
The Adults are just making him think that it is okay to use swears they are just being childish and they think it is cute they do not have the right parenting skills
Explanation:
Since no human is breathing anymore, the Carbon di-oxide cycle will be affected. In fact, many natural cycles will become free from human disturbance.