Classifying things by observation can best be done by using a : Taxon
Taxon divided organisms into different groups based on their unique similarities, which is the best way to classify things if you're doing it by observation.
Amongst the several types of viral hepatitis, it is hepatitis A that can spread through the fecal-oral route.
Usually, a person can acquire hepatitis A if he/she ingests contaminated food or water, further it can also spread through direct contact with the infected person.
due to its transmission through the fecal-oral route, lack of good sanitation practices and hygiene are the major causes for its spread.
I think the answer is {b.false} Infectious diseases are diseases that spread from one person to other either directly or indirectly. I think this is the answer.