The punciution hope this helps
Answer:
have caused
Explanation:
A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.
Answer:
A Struggle between a literary or dramatic character and an outside force such as nature or another character, which drives the dramatic action of the plot external conflict. Which is mostly in the "Rising Action" in most stories efore the climax comes.
Boiling point. Distillation is the process of removing one substance from another by boiling it away. This is possible because of differences in boiling points of two substances.