Some people are allergic to cats dead skin or fur or saliva for some people and even it urine can make someone have an allergic reaction.
Hope this helps.
B. Where the people recovering from drug abuse live together.
Two factors that contribute to a detrimental well-being.
Financial instability and addiction
The answer is B:Directional beacons
Asphyxiation because it is a condition caused by lack of oxygen, which causes one to choke.