Answer: Sodium, answer A if I'am correct...
The answer to this question would be: D. Mandatory vaccinations
Communicable disease is a disease that can infect another people because it was caused by a pathogen. Vaccination can give someone immunity to an infectious disease. By making the vaccination mandatory, the number of vaccinated people will be increased and most people will be immune from the disease. Vaccination can cause a disease become eracticated like smallpox.
The answer is a because when your liver isn't working well enough to perform its functions (for example, manufacturing bile and ridding the body of harmful substances).
True mostly because there all to busy with there kids and work to do anything