What is the magnitude of poor hygiene in slums as a problem

What is an example of providing positive feedback in communication

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

The following statement about pathogens are true except for one, which statement is not true? a. pathogens belong in the human body b. pathogens can cause infectious diseases c. some pathogens can be classified as animals d. pathogens can multiply inside a host organism