Possible answers: (a). parasites. (b). bacteria. (c). germs. (d). pathogens.
Given those answer options, answer the question: Answer the following question given this paragraph: Different pathogens spread in different ways. Some pathogens spread through food. They cause food borne illnesses, which are discussed in a previous concept. Some pathogens spread through water. Giardia lamblia is one example. Water can be boiled to kill Giardia and most other pathogens. Q: Water can be boiled to kill giardia and most other what? A:
A:
(d).