Answer:
Every four hours
Explanation:
As per FDA rule as long as they are in constant use they should be cleaned every 4 hours to prevent bacteria buildup.
I'm not sure but I think the Answer would be D.
Answer:
True.A pathogen or infectious agent is a biological agent that causes disease or illness to its host. The term is most often used for agents that disrupt the normal physiology of a multicellular animal or plant. However, pathogens can infect unicellular organisms from all of the biological kingdoms
Explanation:
The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies. Antibodies attach to an antigen and attract cells that will engulf and destroy the pathogen
Answer:
To talk to a therapist and help them find programs to help quit
Explanation: